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version 1.25, 2000/08/28 22:21:24
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version 1.553, 2004/10/26 15:15:18
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| # The LearningOnline Network |
# The LearningOnline Network |
| # TCP networking package |
# TCP networking package |
| # |
# |
| # Functions for use by content handlers: |
# $Id$ |
| # |
# |
| # plaintext(short) : plain text explanation of short term |
# Copyright Michigan State University Board of Trustees |
| # fileembstyle(ext) : embed style in page for file extension |
# |
| # filedescription(ext) : descriptor text for file extension |
# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
| # allowed(short,url) : returns codes for allowed actions F,R,S,C |
# |
| # definerole(rolename,sys,dom,cou) : define a custom role rolename |
# LON-CAPA is free software; you can redistribute it and/or modify |
| # set priviledges in format of lonTabs/roles.tab for |
# it under the terms of the GNU General Public License as published by |
| # system, domain and course level, |
# the Free Software Foundation; either version 2 of the License, or |
| # assignrole(udom,uname,url,role,end,start) : give a role to a user for the |
# (at your option) any later version. |
| # level given by url. Optional start and end dates |
# |
| # (leave empty string or zero for "no date") |
# LON-CAPA is distributed in the hope that it will be useful, |
| # assigncustomrole (udom,uname,url,rdom,rnam,rolename,end,start) : give a |
# but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # custom role to a user for the level given by url. |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # Specify name and domain of role author, and role name |
# GNU General Public License for more details. |
| # revokerole (udom,uname,url,role) : Revoke a role for url |
# |
| # revokecustomrole (udom,uname,url,rdom,rnam,rolename) : Revoke a custom role |
# You should have received a copy of the GNU General Public License |
| # appenv(hash) : adds hash to session environment |
# along with LON-CAPA; if not, write to the Free Software |
| # store(hash) : stores hash permanently for this url |
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| # restore : returns hash for this url |
# |
| # eget(namesp,array) : returns hash with keys from array filled in from namesp |
# /home/httpd/html/adm/gpl.txt |
| # get(namesp,array) : returns hash with keys from array filled in from namesp |
# |
| # put(namesp,hash) : stores hash in namesp |
# http://www.lon-capa.org/ |
| # dump(namesp) : dumps the complete namespace into a hash |
# |
| # ssi(url,hash) : does a complete request cycle on url to localhost, posts |
### |
| # hash |
|
| # repcopy(filename) : replicate file |
|
| # dirlist(url) : gets a directory listing |
|
| # |
|
| # 6/1/99,6/2,6/10,6/11,6/12,6/14,6/26,6/28,6/29,6/30, |
|
| # 7/1,7/2,7/9,7/10,7/12,7/14,7/15,7/19, |
|
| # 11/8,11/16,11/18,11/22,11/23,12/22, |
|
| # 01/06,01/13,02/24,02/28,02/29, |
|
| # 03/01,03/02,03/06,03/07,03/13, |
|
| # 04/05,05/29,05/31,06/01, |
|
| # 06/05,06/26 Gerd Kortemeyer |
|
| # 06/26 Ben Tyszka |
|
| # 06/30,07/15,07/17,07/18,07/20,07/21,07/22,07/25 Gerd Kortemeyer |
|
| # 08/14 Ben Tyszka |
|
| # 08/22,08/28 Gerd Kortemeyer |
|
| |
|
| package Apache::lonnet; |
package Apache::lonnet; |
| |
|
| use strict; |
use strict; |
| use Apache::File; |
|
| use LWP::UserAgent(); |
use LWP::UserAgent(); |
| use HTTP::Headers; |
use HTTP::Headers; |
| |
use HTTP::Date; |
| |
# use Date::Parse; |
| use vars |
use vars |
| qw(%perlvar %hostname %homecache %spareid %hostdom %libserv %pr %prp %fe %fd $readit); |
qw(%perlvar %hostname %homecache %badServerCache %hostip %iphost %spareid %hostdom |
| |
%libserv %pr %prp %metacache %packagetab %titlecache %courseresversioncache %resversioncache |
| |
%courselogs %accesshash %userrolehash $processmarker $dumpcount |
| |
%coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseinstcodebuf %courseresdatacache |
| |
%userresdatacache %getsectioncache %domaindescription %domain_auth_def %domain_auth_arg_def |
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%domain_lang_def %domain_city %domain_longi %domain_lati $tmpdir); |
| |
|
| use IO::Socket; |
use IO::Socket; |
| |
use GDBM_File; |
| use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
| |
use HTML::LCParser; |
| |
use Fcntl qw(:flock); |
| |
use Apache::loncoursedata; |
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use Apache::lonlocal; |
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use Storable qw(lock_store lock_nstore lock_retrieve freeze thaw); |
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use Time::HiRes qw( gettimeofday tv_interval ); |
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my $readit; |
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my $max_connection_retries = 10; # Or some such value. |
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|
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=pod |
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|
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=head1 Package Variables |
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|
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These are largely undocumented, so if you decipher one please note it here. |
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|
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=over 4 |
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|
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=item $processmarker |
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|
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Contains the time this process was started and this servers host id. |
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|
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=item $dumpcount |
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|
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Counts the number of times a message log flush has been attempted (regardless |
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of success) by this process. Used as part of the filename when messages are |
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delayed. |
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|
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=back |
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|
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=cut |
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|
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|
| # --------------------------------------------------------------------- Logging |
# --------------------------------------------------------------------- Logging |
| |
|
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sub logtouch { |
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my $execdir=$perlvar{'lonDaemons'}; |
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unless (-e "$execdir/logs/lonnet.log") { |
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open(my $fh,">>$execdir/logs/lonnet.log"); |
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close $fh; |
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} |
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my ($wwwuid,$wwwgid)=(getpwnam('www'))[2,3]; |
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chown($wwwuid,$wwwgid,$execdir.'/logs/lonnet.log'); |
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} |
| |
|
| sub logthis { |
sub logthis { |
| my $message=shift; |
my $message=shift; |
| my $execdir=$perlvar{'lonDaemons'}; |
my $execdir=$perlvar{'lonDaemons'}; |
| my $now=time; |
my $now=time; |
| my $local=localtime($now); |
my $local=localtime($now); |
| my $fh=Apache::File->new(">>$execdir/logs/lonnet.log"); |
if (open(my $fh,">>$execdir/logs/lonnet.log")) { |
| print $fh "$local ($$): $message\n"; |
print $fh "$local ($$): $message\n"; |
| |
close($fh); |
| |
} |
| return 1; |
return 1; |
| } |
} |
| |
|
|
Line 70 sub logperm {
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Line 106 sub logperm {
|
| my $execdir=$perlvar{'lonDaemons'}; |
my $execdir=$perlvar{'lonDaemons'}; |
| my $now=time; |
my $now=time; |
| my $local=localtime($now); |
my $local=localtime($now); |
| my $fh=Apache::File->new(">>$execdir/logs/lonnet.perm.log"); |
if (open(my $fh,">>$execdir/logs/lonnet.perm.log")) { |
| print $fh "$now:$message:$local\n"; |
print $fh "$now:$message:$local\n"; |
| |
close($fh); |
| |
} |
| return 1; |
return 1; |
| } |
} |
| |
|
|
Line 79 sub logperm {
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Line 117 sub logperm {
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| sub subreply { |
sub subreply { |
| my ($cmd,$server)=@_; |
my ($cmd,$server)=@_; |
| my $peerfile="$perlvar{'lonSockDir'}/$server"; |
my $peerfile="$perlvar{'lonSockDir'}/$server"; |
| my $client=IO::Socket::UNIX->new(Peer =>"$peerfile", |
# |
| Type => SOCK_STREAM, |
# With loncnew process trimming, there's a timing hole between lonc server |
| Timeout => 10) |
# process exit and the master server picking up the listen on the AF_UNIX |
| or return "con_lost"; |
# socket. In that time interval, a lock file will exist: |
| print $client "$cmd\n"; |
|
| my $answer=<$client>; |
my $lockfile=$peerfile.".lock"; |
| if (!$answer) { $answer="con_lost"; } |
while (-e $lockfile) { # Need to wait for the lockfile to disappear. |
| chomp($answer); |
sleep(1); |
| |
} |
| |
# At this point, either a loncnew parent is listening or an old lonc |
| |
# or loncnew child is listening so we can connect or everything's dead. |
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# |
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# We'll give the connection a few tries before abandoning it. If |
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# connection is not possible, we'll con_lost back to the client. |
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# |
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my $client; |
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for (my $retries = 0; $retries < $max_connection_retries; $retries++) { |
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$client=IO::Socket::UNIX->new(Peer =>"$peerfile", |
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Type => SOCK_STREAM, |
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Timeout => 10); |
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if($client) { |
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last; # Connected! |
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} |
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sleep(1); # Try again later if failed connection. |
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} |
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my $answer; |
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if ($client) { |
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print $client "$cmd\n"; |
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$answer=<$client>; |
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if (!$answer) { $answer="con_lost"; } |
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chomp($answer); |
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} else { |
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$answer = 'con_lost'; # Failed connection. |
| |
} |
| return $answer; |
return $answer; |
| } |
} |
| |
|
| sub reply { |
sub reply { |
| my ($cmd,$server)=@_; |
my ($cmd,$server)=@_; |
| |
unless (defined($hostname{$server})) { return 'no_such_host'; } |
| my $answer=subreply($cmd,$server); |
my $answer=subreply($cmd,$server); |
| if ($answer eq 'con_lost') { $answer=subreply($cmd,$server); } |
if ($answer eq 'con_lost') { |
| if (($answer=~/^error:/) || ($answer=~/^refused/) || |
#sleep 5; |
| ($answer=~/^rejected/)) { |
#$answer=subreply($cmd,$server); |
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#if ($answer eq 'con_lost') { |
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# &logthis("Second attempt con_lost on $server"); |
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# my $peerfile="$perlvar{'lonSockDir'}/$server"; |
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# my $client=IO::Socket::UNIX->new(Peer =>"$peerfile", |
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# Type => SOCK_STREAM, |
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# Timeout => 10) |
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# or return "con_lost"; |
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# &logthis("Killing socket"); |
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# print $client "close_connection_exit\n"; |
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#sleep 5; |
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# $answer=subreply($cmd,$server); |
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#} |
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} |
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if (($answer=~/^refused/) || ($answer=~/^rejected/)) { |
| &logthis("<font color=blue>WARNING:". |
&logthis("<font color=blue>WARNING:". |
| " $cmd to $server returned $answer</font>"); |
" $cmd to $server returned $answer</font>"); |
| } |
} |
|
Line 108 sub reconlonc {
|
Line 187 sub reconlonc {
|
| my $peerfile=shift; |
my $peerfile=shift; |
| &logthis("Trying to reconnect for $peerfile"); |
&logthis("Trying to reconnect for $peerfile"); |
| my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid"; |
my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid"; |
| if (my $fh=Apache::File->new("$loncfile")) { |
if (open(my $fh,"<$loncfile")) { |
| my $loncpid=<$fh>; |
my $loncpid=<$fh>; |
| chomp($loncpid); |
chomp($loncpid); |
| if (kill 0 => $loncpid) { |
if (kill 0 => $loncpid) { |
|
Line 135 sub reconlonc {
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Line 214 sub reconlonc {
|
| |
|
| sub critical { |
sub critical { |
| my ($cmd,$server)=@_; |
my ($cmd,$server)=@_; |
| |
unless ($hostname{$server}) { |
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&logthis("<font color=blue>WARNING:". |
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" Critical message to unknown server ($server)</font>"); |
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return 'no_such_host'; |
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} |
| my $answer=reply($cmd,$server); |
my $answer=reply($cmd,$server); |
| if ($answer eq 'con_lost') { |
if ($answer eq 'con_lost') { |
| my $pingreply=reply('ping',$server); |
my $pingreply=reply('ping',$server); |
|
Line 148 sub critical {
|
Line 232 sub critical {
|
| $middlename=substr($middlename,0,16); |
$middlename=substr($middlename,0,16); |
| $middlename=~s/\W//g; |
$middlename=~s/\W//g; |
| my $dfilename= |
my $dfilename= |
| "$perlvar{'lonSockDir'}/delayed/$now.$middlename.$server"; |
"$perlvar{'lonSockDir'}/delayed/$now.$dumpcount.$$.$middlename.$server"; |
| |
$dumpcount++; |
| { |
{ |
| my $dfh; |
my $dfh; |
| if ($dfh=Apache::File->new(">$dfilename")) { |
if (open($dfh,">$dfilename")) { |
| print $dfh "$cmd\n"; |
print $dfh "$cmd\n"; |
| } |
close($dfh); |
| |
} |
| } |
} |
| sleep 2; |
sleep 2; |
| my $wcmd=''; |
my $wcmd=''; |
| { |
{ |
| my $dfh; |
my $dfh; |
| if ($dfh=Apache::File->new("$dfilename")) { |
if (open($dfh,"<$dfilename")) { |
| $wcmd=<$dfh>; |
$wcmd=<$dfh>; |
| } |
close($dfh); |
| |
} |
| } |
} |
| chomp($wcmd); |
chomp($wcmd); |
| if ($wcmd eq $cmd) { |
if ($wcmd eq $cmd) { |
|
Line 180 sub critical {
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Line 267 sub critical {
|
| return $answer; |
return $answer; |
| } |
} |
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|
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# |
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# -------------- Remove all key from the env that start witha lowercase letter |
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# (Which is always a lon-capa value) |
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|
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sub cleanenv { |
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# unless (defined(&Apache::exists_config_define("MODPERL2"))) { return; } |
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# unless (&Apache::exists_config_define("MODPERL2")) { return; } |
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foreach my $key (keys(%ENV)) { |
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if ($key =~ /^[a-z]/) { |
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delete($ENV{$key}); |
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} |
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} |
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} |
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|
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# ------------------------------------------- Transfer profile into environment |
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|
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sub transfer_profile_to_env { |
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my ($lonidsdir,$handle)=@_; |
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my @profile; |
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{ |
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open(my $idf,"$lonidsdir/$handle.id"); |
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flock($idf,LOCK_SH); |
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@profile=<$idf>; |
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close($idf); |
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} |
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my $envi; |
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my %Remove; |
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for ($envi=0;$envi<=$#profile;$envi++) { |
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chomp($profile[$envi]); |
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my ($envname,$envvalue)=split(/=/,$profile[$envi]); |
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$ENV{$envname} = $envvalue; |
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if (my ($key,$time) = ($envname =~ /^(cgi\.(\d+)_\d+\.)/)) { |
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if ($time < time-300) { |
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$Remove{$key}++; |
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} |
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} |
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} |
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$ENV{'user.environment'} = "$lonidsdir/$handle.id"; |
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foreach my $expired_key (keys(%Remove)) { |
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&delenv($expired_key); |
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} |
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} |
| |
|
| # ---------------------------------------------------------- Append Environment |
# ---------------------------------------------------------- Append Environment |
| |
|
| sub appenv { |
sub appenv { |
| my %newenv=@_; |
my %newenv=@_; |
| |
foreach (keys %newenv) { |
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if (($newenv{$_}=~/^user\.role/) || ($newenv{$_}=~/^user\.priv/)) { |
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&logthis("<font color=blue>WARNING: ". |
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"Attempt to modify environment ".$_." to ".$newenv{$_} |
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.'</font>'); |
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delete($newenv{$_}); |
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} else { |
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$ENV{$_}=$newenv{$_}; |
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} |
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} |
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|
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my $lockfh; |
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unless (open($lockfh,"$ENV{'user.environment'}")) { |
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return 'error: '.$!; |
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} |
| |
unless (flock($lockfh,LOCK_EX)) { |
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&logthis("<font color=blue>WARNING: ". |
| |
'Could not obtain exclusive lock in appenv: '.$!); |
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close($lockfh); |
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return 'error: '.$!; |
| |
} |
| |
|
| my @oldenv; |
my @oldenv; |
| { |
{ |
| my $fh; |
my $fh; |
| unless ($fh=Apache::File->new("$ENV{'user.environment'}")) { |
unless (open($fh,"$ENV{'user.environment'}")) { |
| return 'error'; |
return 'error: '.$!; |
| } |
} |
| @oldenv=<$fh>; |
@oldenv=<$fh>; |
| |
close($fh); |
| } |
} |
| for (my $i=0; $i<=$#oldenv; $i++) { |
for (my $i=0; $i<=$#oldenv; $i++) { |
| chomp($oldenv[$i]); |
chomp($oldenv[$i]); |
| if ($oldenv[$i] ne '') { |
if ($oldenv[$i] ne '') { |
| my ($name,$value)=split(/=/,$oldenv[$i]); |
my ($name,$value)=split(/=/,$oldenv[$i]); |
| unless (defined($newenv{$name})) { |
unless (defined($newenv{$name})) { |
| $newenv{$name}=$value; |
$newenv{$name}=$value; |
| } |
} |
| } |
} |
| } |
} |
| { |
{ |
| my $fh; |
my $fh; |
| unless ($fh=Apache::File->new(">$ENV{'user.environment'}")) { |
unless (open($fh,">$ENV{'user.environment'}")) { |
| return 'error'; |
return 'error'; |
| } |
} |
| my $newname; |
my $newname; |
| foreach $newname (keys %newenv) { |
foreach $newname (keys %newenv) { |
| print $fh "$newname=$newenv{$newname}\n"; |
print $fh "$newname=$newenv{$newname}\n"; |
| } |
} |
| |
close($fh); |
| |
} |
| |
|
| |
close($lockfh); |
| |
return 'ok'; |
| |
} |
| |
# ----------------------------------------------------- Delete from Environment |
| |
|
| |
sub delenv { |
| |
my $delthis=shift; |
| |
my %newenv=(); |
| |
if (($delthis=~/user\.role/) || ($delthis=~/user\.priv/)) { |
| |
&logthis("<font color=blue>WARNING: ". |
| |
"Attempt to delete from environment ".$delthis); |
| |
return 'error'; |
| |
} |
| |
my @oldenv; |
| |
{ |
| |
my $fh; |
| |
unless (open($fh,"$ENV{'user.environment'}")) { |
| |
return 'error'; |
| |
} |
| |
unless (flock($fh,LOCK_SH)) { |
| |
&logthis("<font color=blue>WARNING: ". |
| |
'Could not obtain shared lock in delenv: '.$!); |
| |
close($fh); |
| |
return 'error: '.$!; |
| |
} |
| |
@oldenv=<$fh>; |
| |
close($fh); |
| |
} |
| |
{ |
| |
my $fh; |
| |
unless (open($fh,">$ENV{'user.environment'}")) { |
| |
return 'error'; |
| |
} |
| |
unless (flock($fh,LOCK_EX)) { |
| |
&logthis("<font color=blue>WARNING: ". |
| |
'Could not obtain exclusive lock in delenv: '.$!); |
| |
close($fh); |
| |
return 'error: '.$!; |
| |
} |
| |
foreach (@oldenv) { |
| |
if ($_=~/^$delthis/) { |
| |
my ($key,undef) = split('=',$_); |
| |
delete($ENV{$key}); |
| |
} else { |
| |
print $fh $_; |
| |
} |
| |
} |
| |
close($fh); |
| } |
} |
| return 'ok'; |
return 'ok'; |
| } |
} |
| |
|
| |
# ------------------------------------------ Find out current server userload |
| |
# there is a copy in lond |
| |
sub userload { |
| |
my $numusers=0; |
| |
{ |
| |
opendir(LONIDS,$perlvar{'lonIDsDir'}); |
| |
my $filename; |
| |
my $curtime=time; |
| |
while ($filename=readdir(LONIDS)) { |
| |
if ($filename eq '.' || $filename eq '..') {next;} |
| |
my ($mtime)=(stat($perlvar{'lonIDsDir'}.'/'.$filename))[9]; |
| |
if ($curtime-$mtime < 1800) { $numusers++; } |
| |
} |
| |
closedir(LONIDS); |
| |
} |
| |
my $userloadpercent=0; |
| |
my $maxuserload=$perlvar{'lonUserLoadLim'}; |
| |
if ($maxuserload) { |
| |
$userloadpercent=100*$numusers/$maxuserload; |
| |
} |
| |
$userloadpercent=sprintf("%.2f",$userloadpercent); |
| |
return $userloadpercent; |
| |
} |
| |
|
| |
# ------------------------------------------ Fight off request when overloaded |
| |
|
| |
sub overloaderror { |
| |
my ($r,$checkserver)=@_; |
| |
unless ($checkserver) { $checkserver=$perlvar{'lonHostID'}; } |
| |
my $loadavg; |
| |
if ($checkserver eq $perlvar{'lonHostID'}) { |
| |
open(my $loadfile,'/proc/loadavg'); |
| |
$loadavg=<$loadfile>; |
| |
$loadavg =~ s/\s.*//g; |
| |
$loadavg = 100*$loadavg/$perlvar{'lonLoadLim'}; |
| |
close($loadfile); |
| |
} else { |
| |
$loadavg=&reply('load',$checkserver); |
| |
} |
| |
my $overload=$loadavg-100; |
| |
if ($overload>0) { |
| |
$r->err_headers_out->{'Retry-After'}=$overload; |
| |
$r->log_error('Overload of '.$overload.' on '.$checkserver); |
| |
return 409; |
| |
} |
| |
return ''; |
| |
} |
| |
|
| # ------------------------------ Find server with least workload from spare.tab |
# ------------------------------ Find server with least workload from spare.tab |
| |
|
| sub spareserver { |
sub spareserver { |
| |
my ($loadpercent,$userloadpercent) = @_; |
| my $tryserver; |
my $tryserver; |
| my $spareserver=''; |
my $spareserver=''; |
| my $lowestserver=100; |
if ($userloadpercent !~ /\d/) { $userloadpercent=0; } |
| |
my $lowestserver=$loadpercent > $userloadpercent? |
| |
$loadpercent : $userloadpercent; |
| foreach $tryserver (keys %spareid) { |
foreach $tryserver (keys %spareid) { |
| my $answer=reply('load',$tryserver); |
my $loadans=reply('load',$tryserver); |
| if (($answer =~ /\d/) && ($answer<$lowestserver)) { |
my $userloadans=reply('userload',$tryserver); |
| $spareserver="http://$hostname{$tryserver}"; |
if ($loadans !~ /\d/ && $userloadans !~ /\d/) { |
| $lowestserver=$answer; |
next; #didn't get a number from the server |
| } |
} |
| } |
my $answer; |
| |
if ($loadans =~ /\d/) { |
| |
if ($userloadans =~ /\d/) { |
| |
#both are numbers, pick the bigger one |
| |
$answer=$loadans > $userloadans? |
| |
$loadans : $userloadans; |
| |
} else { |
| |
$answer = $loadans; |
| |
} |
| |
} else { |
| |
$answer = $userloadans; |
| |
} |
| |
if (($answer =~ /\d/) && ($answer<$lowestserver)) { |
| |
$spareserver="http://$hostname{$tryserver}"; |
| |
$lowestserver=$answer; |
| |
} |
| |
} |
| return $spareserver; |
return $spareserver; |
| } |
} |
| |
|
| |
# --------------------------------------------- Try to change a user's password |
| |
|
| |
sub changepass { |
| |
my ($uname,$udom,$currentpass,$newpass,$server)=@_; |
| |
$currentpass = &escape($currentpass); |
| |
$newpass = &escape($newpass); |
| |
my $answer = reply("encrypt:passwd:$udom:$uname:$currentpass:$newpass", |
| |
$server); |
| |
if (! $answer) { |
| |
&logthis("No reply on password change request to $server ". |
| |
"by $uname in domain $udom."); |
| |
} elsif ($answer =~ "^ok") { |
| |
&logthis("$uname in $udom successfully changed their password ". |
| |
"on $server."); |
| |
} elsif ($answer =~ "^pwchange_failure") { |
| |
&logthis("$uname in $udom was unable to change their password ". |
| |
"on $server. The action was blocked by either lcpasswd ". |
| |
"or pwchange"); |
| |
} elsif ($answer =~ "^non_authorized") { |
| |
&logthis("$uname in $udom did not get their password correct when ". |
| |
"attempting to change it on $server."); |
| |
} elsif ($answer =~ "^auth_mode_error") { |
| |
&logthis("$uname in $udom attempted to change their password despite ". |
| |
"not being locally or internally authenticated on $server."); |
| |
} elsif ($answer =~ "^unknown_user") { |
| |
&logthis("$uname in $udom attempted to change their password ". |
| |
"on $server but were unable to because $server is not ". |
| |
"their home server."); |
| |
} elsif ($answer =~ "^refused") { |
| |
&logthis("$server refused to change $uname in $udom password because ". |
| |
"it was sent an unencrypted request to change the password."); |
| |
} |
| |
return $answer; |
| |
} |
| |
|
| |
# ----------------------- Try to determine user's current authentication scheme |
| |
|
| |
sub queryauthenticate { |
| |
my ($uname,$udom)=@_; |
| |
my $uhome=&homeserver($uname,$udom); |
| |
if (!$uhome) { |
| |
&logthis("User $uname at $udom is unknown when looking for authentication mechanism"); |
| |
return 'no_host'; |
| |
} |
| |
my $answer=reply("encrypt:currentauth:$udom:$uname",$uhome); |
| |
if ($answer =~ /^(unknown_user|refused|con_lost)/) { |
| |
&logthis("User $uname at $udom threw error $answer when checking authentication mechanism"); |
| |
} |
| |
return $answer; |
| |
} |
| |
|
| # --------- Try to authenticate user from domain's lib servers (first this one) |
# --------- Try to authenticate user from domain's lib servers (first this one) |
| |
|
| sub authenticate { |
sub authenticate { |
| my ($uname,$upass,$udom)=@_; |
my ($uname,$upass,$udom)=@_; |
| $upass=escape($upass); |
$upass=escape($upass); |
| if (($perlvar{'lonRole'} eq 'library') && |
$uname=~s/\W//g; |
| ($udom eq $perlvar{'lonDefDomain'})) { |
my $uhome=&homeserver($uname,$udom); |
| my $answer=reply("encrypt:auth:$udom:$uname:$upass",$perlvar{'lonHostID'}); |
if (!$uhome) { |
| if ($answer =~ /authorized/) { |
&logthis("User $uname at $udom is unknown in authenticate"); |
| if ($answer eq 'authorized') { |
return 'no_host'; |
| &logthis("User $uname at $udom authorized by local server"); |
|
| return $perlvar{'lonHostID'}; |
|
| } |
|
| if ($answer eq 'non_authorized') { |
|
| &logthis("User $uname at $udom rejected by local server"); |
|
| return 'no_host'; |
|
| } |
|
| } |
|
| } |
} |
| |
my $answer=reply("encrypt:auth:$udom:$uname:$upass",$uhome); |
| my $tryserver; |
if ($answer eq 'authorized') { |
| foreach $tryserver (keys %libserv) { |
&logthis("User $uname at $udom authorized by $uhome"); |
| if ($hostdom{$tryserver} eq $udom) { |
return $uhome; |
| my $answer=reply("encrypt:auth:$udom:$uname:$upass",$tryserver); |
} |
| if ($answer =~ /authorized/) { |
if ($answer eq 'non_authorized') { |
| if ($answer eq 'authorized') { |
&logthis("User $uname at $udom rejected by $uhome"); |
| &logthis("User $uname at $udom authorized by $tryserver"); |
return 'no_host'; |
| return $tryserver; |
|
| } |
|
| if ($answer eq 'non_authorized') { |
|
| &logthis("User $uname at $udom rejected by $tryserver"); |
|
| return 'no_host'; |
|
| } |
|
| } |
|
| } |
|
| } |
} |
| &logthis("User $uname at $udom could not be authenticated"); |
&logthis("User $uname at $udom threw error $answer when checking authentication mechanism"); |
| return 'no_host'; |
return 'no_host'; |
| } |
} |
| |
|
| # ---------------------- Find the homebase for a user from domain's lib servers |
# ---------------------- Find the homebase for a user from domain's lib servers |
| |
|
| sub homeserver { |
sub homeserver { |
| my ($uname,$udom)=@_; |
my ($uname,$udom,$ignoreBadCache)=@_; |
| |
|
| my $index="$uname:$udom"; |
my $index="$uname:$udom"; |
| if ($homecache{$index}) { return "$homecache{$index}"; } |
|
| |
|
| |
my ($result,$cached)=&is_cached(\%homecache,$index,'home',86400); |
| |
if (defined($cached)) { return $result; } |
| my $tryserver; |
my $tryserver; |
| foreach $tryserver (keys %libserv) { |
foreach $tryserver (keys %libserv) { |
| |
next if ($ignoreBadCache ne 'true' && |
| |
exists($badServerCache{$tryserver})); |
| if ($hostdom{$tryserver} eq $udom) { |
if ($hostdom{$tryserver} eq $udom) { |
| my $answer=reply("home:$udom:$uname",$tryserver); |
my $answer=reply("home:$udom:$uname",$tryserver); |
| if ($answer eq 'found') { |
if ($answer eq 'found') { |
| $homecache{$index}=$tryserver; |
return &do_cache(\%homecache,$index,$tryserver,'home'); |
| return $tryserver; |
} elsif ($answer eq 'no_host') { |
| } |
$badServerCache{$tryserver}=1; |
| |
} |
| } |
} |
| } |
} |
| return 'no_host'; |
return 'no_host'; |
| } |
} |
| |
|
| |
# ------------------------------------- Find the usernames behind a list of IDs |
| |
|
| |
sub idget { |
| |
my ($udom,@ids)=@_; |
| |
my %returnhash=(); |
| |
|
| |
my $tryserver; |
| |
foreach $tryserver (keys %libserv) { |
| |
if ($hostdom{$tryserver} eq $udom) { |
| |
my $idlist=join('&',@ids); |
| |
$idlist=~tr/A-Z/a-z/; |
| |
my $reply=&reply("idget:$udom:".$idlist,$tryserver); |
| |
my @answer=(); |
| |
if (($reply ne 'con_lost') && ($reply!~/^error\:/)) { |
| |
@answer=split(/\&/,$reply); |
| |
} ; |
| |
my $i; |
| |
for ($i=0;$i<=$#ids;$i++) { |
| |
if ($answer[$i]) { |
| |
$returnhash{$ids[$i]}=$answer[$i]; |
| |
} |
| |
} |
| |
} |
| |
} |
| |
return %returnhash; |
| |
} |
| |
|
| |
# ------------------------------------- Find the IDs behind a list of usernames |
| |
|
| |
sub idrget { |
| |
my ($udom,@unames)=@_; |
| |
my %returnhash=(); |
| |
foreach (@unames) { |
| |
$returnhash{$_}=(&userenvironment($udom,$_,'id'))[1]; |
| |
} |
| |
return %returnhash; |
| |
} |
| |
|
| |
# ------------------------------- Store away a list of names and associated IDs |
| |
|
| |
sub idput { |
| |
my ($udom,%ids)=@_; |
| |
my %servers=(); |
| |
foreach (keys %ids) { |
| |
&cput('environment',{'id'=>$ids{$_}},$udom,$_); |
| |
my $uhom=&homeserver($_,$udom); |
| |
if ($uhom ne 'no_host') { |
| |
my $id=&escape($ids{$_}); |
| |
$id=~tr/A-Z/a-z/; |
| |
my $unam=&escape($_); |
| |
if ($servers{$uhom}) { |
| |
$servers{$uhom}.='&'.$id.'='.$unam; |
| |
} else { |
| |
$servers{$uhom}=$id.'='.$unam; |
| |
} |
| |
} |
| |
} |
| |
foreach (keys %servers) { |
| |
&critical('idput:'.$udom.':'.$servers{$_},$_); |
| |
} |
| |
} |
| |
|
| |
# --------------------------------------------------- Assign a key to a student |
| |
|
| |
sub assign_access_key { |
| |
# |
| |
# a valid key looks like uname:udom#comments |
| |
# comments are being appended |
| |
# |
| |
my ($ckey,$kdom,$knum,$cdom,$cnum,$udom,$uname,$logentry)=@_; |
| |
$kdom= |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'} unless (defined($kdom)); |
| |
$knum= |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.num'} unless (defined($knum)); |
| |
$cdom= |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'} unless (defined($cdom)); |
| |
$cnum= |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.num'} unless (defined($cnum)); |
| |
$udom=$ENV{'user.name'} unless (defined($udom)); |
| |
$uname=$ENV{'user.domain'} unless (defined($uname)); |
| |
my %existing=&get('accesskeys',[$ckey],$kdom,$knum); |
| |
if (($existing{$ckey}=~/^\#(.*)$/) || # - new key |
| |
($existing{$ckey}=~/^\Q$uname\E\:\Q$udom\E\#(.*)$/)) { |
| |
# assigned to this person |
| |
# - this should not happen, |
| |
# unless something went wrong |
| |
# the first time around |
| |
# ready to assign |
| |
$logentry=$1.'; '.$logentry; |
| |
if (&put('accesskeys',{$ckey=>$uname.':'.$udom.'#'.$logentry}, |
| |
$kdom,$knum) eq 'ok') { |
| |
# key now belongs to user |
| |
my $envkey='key.'.$cdom.'_'.$cnum; |
| |
if (&put('environment',{$envkey => $ckey}) eq 'ok') { |
| |
&appenv('environment.'.$envkey => $ckey); |
| |
return 'ok'; |
| |
} else { |
| |
return |
| |
'error: Count not permanently assign key, will need to be re-entered later.'; |
| |
} |
| |
} else { |
| |
return 'error: Could not assign key, try again later.'; |
| |
} |
| |
} elsif (!$existing{$ckey}) { |
| |
# the key does not exist |
| |
return 'error: The key does not exist'; |
| |
} else { |
| |
# the key is somebody else's |
| |
return 'error: The key is already in use'; |
| |
} |
| |
} |
| |
|
| |
# ------------------------------------------ put an additional comment on a key |
| |
|
| |
sub comment_access_key { |
| |
# |
| |
# a valid key looks like uname:udom#comments |
| |
# comments are being appended |
| |
# |
| |
my ($ckey,$cdom,$cnum,$logentry)=@_; |
| |
$cdom= |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'} unless (defined($cdom)); |
| |
$cnum= |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.num'} unless (defined($cnum)); |
| |
my %existing=&get('accesskeys',[$ckey],$cdom,$cnum); |
| |
if ($existing{$ckey}) { |
| |
$existing{$ckey}.='; '.$logentry; |
| |
# ready to assign |
| |
if (&put('accesskeys',{$ckey=>$existing{$ckey}}, |
| |
$cdom,$cnum) eq 'ok') { |
| |
return 'ok'; |
| |
} else { |
| |
return 'error: Count not store comment.'; |
| |
} |
| |
} else { |
| |
# the key does not exist |
| |
return 'error: The key does not exist'; |
| |
} |
| |
} |
| |
|
| |
# ------------------------------------------------------ Generate a set of keys |
| |
|
| |
sub generate_access_keys { |
| |
my ($number,$cdom,$cnum,$logentry)=@_; |
| |
$cdom= |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'} unless (defined($cdom)); |
| |
$cnum= |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.num'} unless (defined($cnum)); |
| |
unless (&allowed('mky',$cdom)) { return 0; } |
| |
unless (($cdom) && ($cnum)) { return 0; } |
| |
if ($number>10000) { return 0; } |
| |
sleep(2); # make sure don't get same seed twice |
| |
srand(time()^($$+($$<<15))); # from "Programming Perl" |
| |
my $total=0; |
| |
for (my $i=1;$i<=$number;$i++) { |
| |
my $newkey=sprintf("%lx",int(100000*rand)).'-'. |
| |
sprintf("%lx",int(100000*rand)).'-'. |
| |
sprintf("%lx",int(100000*rand)); |
| |
$newkey=~s/1/g/g; # folks mix up 1 and l |
| |
$newkey=~s/0/h/g; # and also 0 and O |
| |
my %existing=&get('accesskeys',[$newkey],$cdom,$cnum); |
| |
if ($existing{$newkey}) { |
| |
$i--; |
| |
} else { |
| |
if (&put('accesskeys', |
| |
{ $newkey => '# generated '.localtime(). |
| |
' by '.$ENV{'user.name'}.'@'.$ENV{'user.domain'}. |
| |
'; '.$logentry }, |
| |
$cdom,$cnum) eq 'ok') { |
| |
$total++; |
| |
} |
| |
} |
| |
} |
| |
&log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.home'}, |
| |
'Generated '.$total.' keys for '.$cnum.' at '.$cdom); |
| |
return $total; |
| |
} |
| |
|
| |
# ------------------------------------------------------- Validate an accesskey |
| |
|
| |
sub validate_access_key { |
| |
my ($ckey,$cdom,$cnum,$udom,$uname)=@_; |
| |
$cdom= |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'} unless (defined($cdom)); |
| |
$cnum= |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.num'} unless (defined($cnum)); |
| |
$udom=$ENV{'user.domain'} unless (defined($udom)); |
| |
$uname=$ENV{'user.name'} unless (defined($uname)); |
| |
my %existing=&get('accesskeys',[$ckey],$cdom,$cnum); |
| |
return ($existing{$ckey}=~/^\Q$uname\E\:\Q$udom\E\#/); |
| |
} |
| |
|
| |
# ------------------------------------- Find the section of student in a course |
| |
|
| |
sub getsection { |
| |
my ($udom,$unam,$courseid)=@_; |
| |
$courseid=~s/\_/\//g; |
| |
$courseid=~s/^(\w)/\/$1/; |
| |
|
| |
my $hashid="$udom:$unam:$courseid"; |
| |
my ($result,$cached)=&is_cached(\%getsectioncache,$hashid,'getsection'); |
| |
if (defined($cached)) { return $result; } |
| |
|
| |
my %Pending; |
| |
my %Expired; |
| |
# |
| |
# Each role can either have not started yet (pending), be active, |
| |
# or have expired. |
| |
# |
| |
# If there is an active role, we are done. |
| |
# |
| |
# If there is more than one role which has not started yet, |
| |
# choose the one which will start sooner |
| |
# If there is one role which has not started yet, return it. |
| |
# |
| |
# If there is more than one expired role, choose the one which ended last. |
| |
# If there is a role which has expired, return it. |
| |
# |
| |
foreach (split(/\&/,&reply('dump:'.$udom.':'.$unam.':roles', |
| |
&homeserver($unam,$udom)))) { |
| |
my ($key,$value)=split(/\=/,$_); |
| |
$key=&unescape($key); |
| |
next if ($key !~/^\Q$courseid\E(?:\/)*(\w+)*\_st$/); |
| |
my $section=$1; |
| |
if ($key eq $courseid.'_st') { $section=''; } |
| |
my ($dummy,$end,$start)=split(/\_/,&unescape($value)); |
| |
my $now=time; |
| |
if (defined($end) && $end && ($now > $end)) { |
| |
$Expired{$end}=$section; |
| |
next; |
| |
} |
| |
if (defined($start) && $start && ($now < $start)) { |
| |
$Pending{$start}=$section; |
| |
next; |
| |
} |
| |
return &do_cache(\%getsectioncache,$hashid,$section,'getsection'); |
| |
} |
| |
# |
| |
# Presumedly there will be few matching roles from the above |
| |
# loop and the sorting time will be negligible. |
| |
if (scalar(keys(%Pending))) { |
| |
my ($time) = sort {$a <=> $b} keys(%Pending); |
| |
return &do_cache(\%getsectioncache,$hashid,$Pending{$time},'getsection'); |
| |
} |
| |
if (scalar(keys(%Expired))) { |
| |
my @sorted = sort {$a <=> $b} keys(%Expired); |
| |
my $time = pop(@sorted); |
| |
return &do_cache(\%getsectioncache,$hashid,$Expired{$time},'getsection'); |
| |
} |
| |
return &do_cache(\%getsectioncache,$hashid,'-1','getsection'); |
| |
} |
| |
|
| |
|
| |
my $disk_caching_disabled=1; |
| |
|
| |
sub devalidate_cache { |
| |
my ($cache,$id,$name) = @_; |
| |
delete $$cache{$id.'.time'}; |
| |
delete $$cache{$id.'.file'}; |
| |
delete $$cache{$id}; |
| |
if (1 || $disk_caching_disabled) { return; } |
| |
my $filename=$perlvar{'lonDaemons'}.'/tmp/lonnet_internal_cache_'.$name.".db"; |
| |
if (!-e $filename) { return; } |
| |
open(DB,">$filename.lock"); |
| |
flock(DB,LOCK_EX); |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File',$filename,&GDBM_WRCREAT(),0640)) { |
| |
eval <<'EVALBLOCK'; |
| |
delete($hash{$id}); |
| |
delete($hash{$id.'.time'}); |
| |
EVALBLOCK |
| |
if ($@) { |
| |
&logthis("<font color='red'>devalidate_cache blew up :$@:$name</font>"); |
| |
unlink($filename); |
| |
} |
| |
} else { |
| |
if (-e $filename) { |
| |
&logthis("Unable to tie hash (devalidate cache): $name"); |
| |
unlink($filename); |
| |
} |
| |
} |
| |
untie(%hash); |
| |
flock(DB,LOCK_UN); |
| |
close(DB); |
| |
} |
| |
|
| |
sub is_cached { |
| |
my ($cache,$id,$name,$time) = @_; |
| |
if (!$time) { $time=300; } |
| |
if (!exists($$cache{$id.'.time'})) { |
| |
&load_cache_item($cache,$name,$id,$time); |
| |
} |
| |
if (!exists($$cache{$id.'.time'})) { |
| |
# &logthis("Didn't find $id"); |
| |
return (undef,undef); |
| |
} else { |
| |
if (time-($$cache{$id.'.time'})>$time) { |
| |
if (exists($$cache{$id.'.file'})) { |
| |
foreach my $filename (@{ $$cache{$id.'.file'} }) { |
| |
my $mtime=(stat($filename))[9]; |
| |
#+1 is to take care of edge effects |
| |
if ($mtime && (($mtime+1) < ($$cache{$id.'.time'}))) { |
| |
# &logthis("Upping $mtime - ".$$cache{$id.'.time'}. |
| |
# "$id because of $filename"); |
| |
} else { |
| |
&logthis("Devalidating $filename $id - ".(time-($$cache{$id.'.time'}))); |
| |
&devalidate_cache($cache,$id,$name); |
| |
return (undef,undef); |
| |
} |
| |
} |
| |
$$cache{$id.'.time'}=time; |
| |
} else { |
| |
# &logthis("Devalidating $id - ".time-($$cache{$id.'.time'})); |
| |
&devalidate_cache($cache,$id,$name); |
| |
return (undef,undef); |
| |
} |
| |
} |
| |
} |
| |
return ($$cache{$id},1); |
| |
} |
| |
|
| |
sub do_cache { |
| |
my ($cache,$id,$value,$name) = @_; |
| |
$$cache{$id.'.time'}=time; |
| |
$$cache{$id}=$value; |
| |
# &logthis("Caching $id as :$value:"); |
| |
&save_cache_item($cache,$name,$id); |
| |
# do_cache implictly return the set value |
| |
$$cache{$id}; |
| |
} |
| |
|
| |
my %do_save_item; |
| |
my %do_save; |
| |
sub save_cache_item { |
| |
my ($cache,$name,$id)=@_; |
| |
if ($disk_caching_disabled) { return; } |
| |
$do_save{$name}=$cache; |
| |
if (!exists($do_save_item{$name})) { $do_save_item{$name}={} } |
| |
$do_save_item{$name}->{$id}=1; |
| |
return; |
| |
} |
| |
|
| |
sub save_cache { |
| |
if ($disk_caching_disabled) { return; } |
| |
my ($cache,$name,$id); |
| |
foreach $name (keys(%do_save)) { |
| |
$cache=$do_save{$name}; |
| |
|
| |
my $starttime=&Time::HiRes::time(); |
| |
&logthis("Saving :$name:"); |
| |
my %hash; |
| |
my $filename=$perlvar{'lonDaemons'}.'/tmp/lonnet_internal_cache_'.$name.".db"; |
| |
open(DB,">$filename.lock"); |
| |
flock(DB,LOCK_EX); |
| |
if (tie(%hash,'GDBM_File',$filename,&GDBM_WRCREAT(),0640)) { |
| |
foreach $id (keys(%{ $do_save_item{$name} })) { |
| |
eval <<'EVALBLOCK'; |
| |
$hash{$id.'.time'}=$$cache{$id.'.time'}; |
| |
$hash{$id}=freeze({'item'=>$$cache{$id}}); |
| |
if (exists($$cache{$id.'.file'})) { |
| |
$hash{$id.'.file'}=freeze({'item'=>$$cache{$id.'.file'}}); |
| |
} |
| |
EVALBLOCK |
| |
if ($@) { |
| |
&logthis("<font color='red'>save_cache blew up :$@:$name</font>"); |
| |
unlink($filename); |
| |
last; |
| |
} |
| |
} |
| |
} else { |
| |
if (-e $filename) { |
| |
&logthis("Unable to tie hash (save cache): $name ($!)"); |
| |
unlink($filename); |
| |
} |
| |
} |
| |
untie(%hash); |
| |
flock(DB,LOCK_UN); |
| |
close(DB); |
| |
&logthis("save_cache $name took ".(&Time::HiRes::time()-$starttime)); |
| |
} |
| |
undef(%do_save); |
| |
undef(%do_save_item); |
| |
|
| |
} |
| |
|
| |
sub load_cache_item { |
| |
my ($cache,$name,$id,$time)=@_; |
| |
if ($disk_caching_disabled) { return; } |
| |
my $starttime=&Time::HiRes::time(); |
| |
# &logthis("Before Loading $name for $id size is ".scalar(%$cache)); |
| |
my %hash; |
| |
my $filename=$perlvar{'lonDaemons'}.'/tmp/lonnet_internal_cache_'.$name.".db"; |
| |
if (!-e $filename) { return; } |
| |
open(DB,">$filename.lock"); |
| |
flock(DB,LOCK_SH); |
| |
if (tie(%hash,'GDBM_File',$filename,&GDBM_READER(),0640)) { |
| |
eval <<'EVALBLOCK'; |
| |
if (!%$cache) { |
| |
my $count; |
| |
while (my ($key,$value)=each(%hash)) { |
| |
$count++; |
| |
if ($key =~ /\.time$/) { |
| |
$$cache{$key}=$value; |
| |
} else { |
| |
my $hashref=thaw($value); |
| |
$$cache{$key}=$hashref->{'item'}; |
| |
} |
| |
} |
| |
# &logthis("Initial load: $count"); |
| |
} else { |
| |
if (($$cache{$id.'.time'}+$time) < time) { |
| |
$$cache{$id.'.time'}=$hash{$id.'.time'}; |
| |
{ |
| |
my $hashref=thaw($hash{$id}); |
| |
$$cache{$id}=$hashref->{'item'}; |
| |
} |
| |
if (exists($hash{$id.'.file'})) { |
| |
my $hashref=thaw($hash{$id.'.file'}); |
| |
$$cache{$id.'.file'}=$hashref->{'item'}; |
| |
} |
| |
} |
| |
} |
| |
EVALBLOCK |
| |
if ($@) { |
| |
&logthis("<font color='red'>load_cache blew up :$@:$name</font>"); |
| |
unlink($filename); |
| |
} |
| |
} else { |
| |
if (-e $filename) { |
| |
&logthis("Unable to tie hash (load cache item): $name ($!)"); |
| |
unlink($filename); |
| |
} |
| |
} |
| |
untie(%hash); |
| |
flock(DB,LOCK_UN); |
| |
close(DB); |
| |
# &logthis("After Loading $name size is ".scalar(%$cache)); |
| |
# &logthis("load_cache_item $name took ".(&Time::HiRes::time()-$starttime)); |
| |
} |
| |
|
| |
# ------------------------------------- Read an entry from a user's environment |
| |
|
| |
sub userenvironment { |
| |
my ($udom,$unam,@what)=@_; |
| |
my %returnhash=(); |
| |
my @answer=split(/\&/, |
| |
&reply('get:'.$udom.':'.$unam.':environment:'.join('&',@what), |
| |
&homeserver($unam,$udom))); |
| |
my $i; |
| |
for ($i=0;$i<=$#what;$i++) { |
| |
$returnhash{$what[$i]}=&unescape($answer[$i]); |
| |
} |
| |
return %returnhash; |
| |
} |
| |
|
| |
# -------------------------------------------------------------------- New chat |
| |
|
| |
sub chatsend { |
| |
my ($newentry,$anon)=@_; |
| |
my $cnum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'}; |
| |
my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; |
| |
my $chome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'}; |
| |
&reply('chatsend:'.$cdom.':'.$cnum.':'. |
| |
&escape($ENV{'user.domain'}.':'.$ENV{'user.name'}.':'.$anon.':'. |
| |
&escape($newentry)),$chome); |
| |
} |
| |
|
| |
# ------------------------------------------ Find current version of a resource |
| |
|
| |
sub getversion { |
| |
my $fname=&clutter(shift); |
| |
unless ($fname=~/^\/res\//) { return -1; } |
| |
return ¤tversion(&filelocation('',$fname)); |
| |
} |
| |
|
| |
sub currentversion { |
| |
my $fname=shift; |
| |
my ($result,$cached)=&is_cached(\%resversioncache,$fname,'resversion',600); |
| |
if (defined($cached)) { return $result; } |
| |
my $author=$fname; |
| |
$author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; |
| |
my ($udom,$uname)=split(/\//,$author); |
| |
my $home=homeserver($uname,$udom); |
| |
if ($home eq 'no_host') { |
| |
return -1; |
| |
} |
| |
my $answer=reply("currentversion:$fname",$home); |
| |
if (($answer eq 'con_lost') || ($answer eq 'rejected')) { |
| |
return -1; |
| |
} |
| |
return &do_cache(\%resversioncache,$fname,$answer,'resversion'); |
| |
} |
| |
|
| # ----------------------------- Subscribe to a resource, return URL if possible |
# ----------------------------- Subscribe to a resource, return URL if possible |
| |
|
| sub subscribe { |
sub subscribe { |
| my $fname=shift; |
my $fname=shift; |
| |
if ($fname=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) { return ''; } |
| |
$fname=~s/[\n\r]//g; |
| my $author=$fname; |
my $author=$fname; |
| $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; |
$author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; |
| my ($udom,$uname)=split(/\//,$author); |
my ($udom,$uname)=split(/\//,$author); |
| my $home=homeserver($uname,$udom); |
my $home=homeserver($uname,$udom); |
| if (($home eq 'no_host') || ($home eq $perlvar{'lonHostID'})) { |
if ($home eq 'no_host') { |
| return 'not_found'; |
return 'not_found'; |
| } |
} |
| my $answer=reply("sub:$fname",$home); |
my $answer=reply("sub:$fname",$home); |
| |
if (($answer eq 'con_lost') || ($answer eq 'rejected')) { |
| |
$answer.=' by '.$home; |
| |
} |
| return $answer; |
return $answer; |
| } |
} |
| |
|
|
Line 311 sub subscribe {
|
Line 1118 sub subscribe {
|
| sub repcopy { |
sub repcopy { |
| my $filename=shift; |
my $filename=shift; |
| $filename=~s/\/+/\//g; |
$filename=~s/\/+/\//g; |
| |
if ($filename=~m|^/home/httpd/html/adm/|) { return OK; } |
| |
if ($filename=~m|^/home/httpd/html/lonUsers/|) { return OK; } |
| |
if ($filename=~m|^/home/httpd/html/userfiles/| or |
| |
$filename=~m|^/*uploaded/|) { |
| |
return &repcopy_userfile($filename); |
| |
} |
| |
$filename=~s/[\n\r]//g; |
| my $transname="$filename.in.transfer"; |
my $transname="$filename.in.transfer"; |
| if ((-e $filename) || (-e $transname)) { return OK; } |
if ((-e $filename) || (-e $transname)) { return OK; } |
| my $remoteurl=subscribe($filename); |
my $remoteurl=subscribe($filename); |
| if ($remoteurl eq 'con_lost') { |
if ($remoteurl =~ /^con_lost by/) { |
| &logthis("Subscribe returned con_lost: $filename"); |
&logthis("Subscribe returned $remoteurl: $filename"); |
| return HTTP_SERVICE_UNAVAILABLE; |
return HTTP_SERVICE_UNAVAILABLE; |
| } elsif ($remoteurl eq 'not_found') { |
} elsif ($remoteurl eq 'not_found') { |
| &logthis("Subscribe returned not_found: $filename"); |
#&logthis("Subscribe returned not_found: $filename"); |
| return HTTP_NOT_FOUND; |
return HTTP_NOT_FOUND; |
| } elsif ($remoteurl eq 'rejected') { |
} elsif ($remoteurl =~ /^rejected by/) { |
| &logthis("Subscribe returned rejected: $filename"); |
&logthis("Subscribe returned $remoteurl: $filename"); |
| return FORBIDDEN; |
return FORBIDDEN; |
| } elsif ($remoteurl eq 'directory') { |
} elsif ($remoteurl eq 'directory') { |
| return OK; |
return OK; |
| } else { |
} else { |
| |
my $author=$filename; |
| |
$author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; |
| |
my ($udom,$uname)=split(/\//,$author); |
| |
my $home=homeserver($uname,$udom); |
| |
unless ($home eq $perlvar{'lonHostID'}) { |
| my @parts=split(/\//,$filename); |
my @parts=split(/\//,$filename); |
| my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]"; |
my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]"; |
| if ($path ne "$perlvar{'lonDocRoot'}/res") { |
if ($path ne "$perlvar{'lonDocRoot'}/res") { |
|
Line 361 sub repcopy {
|
Line 1180 sub repcopy {
|
| rename($transname,$filename); |
rename($transname,$filename); |
| return OK; |
return OK; |
| } |
} |
| |
} |
| } |
} |
| } |
} |
| |
|
| |
# ------------------------------------------------ Get server side include body |
| |
sub ssi_body { |
| |
my ($filelink,%form)=@_; |
| |
my $output=($filelink=~/^http\:/?&externalssi($filelink): |
| |
&ssi($filelink,%form)); |
| |
$output=~ |
| |
s/\/\/ BEGIN LON\-CAPA Internal.+\/\/ END LON\-CAPA Internal\s//gs; |
| |
$output=~s/^.*?\<body[^\>]*\>//si; |
| |
$output=~s/(.*)\<\/body\s*\>.*?$/$1/si; |
| |
return $output; |
| |
} |
| |
|
| # --------------------------------------------------------- Server Side Include |
# --------------------------------------------------------- Server Side Include |
| |
|
| sub ssi { |
sub ssi { |
|
Line 376 sub ssi {
|
Line 1208 sub ssi {
|
| |
|
| if (%form) { |
if (%form) { |
| $request=new HTTP::Request('POST',"http://".$ENV{'HTTP_HOST'}.$fn); |
$request=new HTTP::Request('POST',"http://".$ENV{'HTTP_HOST'}.$fn); |
| $request->content(join '&', map { "$_=$form{$_}" } keys %form); |
$request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys %form)); |
| } else { |
} else { |
| $request=new HTTP::Request('GET',"http://".$ENV{'HTTP_HOST'}.$fn); |
$request=new HTTP::Request('GET',"http://".$ENV{'HTTP_HOST'}.$fn); |
| } |
} |
|
Line 387 sub ssi {
|
Line 1219 sub ssi {
|
| return $response->content; |
return $response->content; |
| } |
} |
| |
|
| |
sub externalssi { |
| |
my ($url)=@_; |
| |
my $ua=new LWP::UserAgent; |
| |
my $request=new HTTP::Request('GET',$url); |
| |
my $response=$ua->request($request); |
| |
return $response->content; |
| |
} |
| |
|
| |
# -------------------------------- Allow a /uploaded/ URI to be vouched for |
| |
|
| |
sub allowuploaded { |
| |
my ($srcurl,$url)=@_; |
| |
$url=&clutter(&declutter($url)); |
| |
my $dir=$url; |
| |
$dir=~s/\/[^\/]+$//; |
| |
my %httpref=(); |
| |
my $httpurl=&hreflocation('',$url); |
| |
$httpref{'httpref.'.$httpurl}=$srcurl; |
| |
&Apache::lonnet::appenv(%httpref); |
| |
} |
| |
|
| |
# --------- File operations in /home/httpd/html/userfiles/$domain/1/2/3/$course |
| |
# input: action, courseID, current domain, home server for course, intended |
| |
# path to file, source of file. |
| |
# output: url to file (if action was uploaddoc), |
| |
# ok if successful, or diagnostic message otherwise (if action was propagate or copy) |
| |
# |
| |
# Allows directory structure to be used within lonUsers/../userfiles/ for a |
| |
# course. |
| |
# |
| |
# action = propagate - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file |
| |
# will be copied to /home/httpd/lonUsers/1/2/3/$course/userfiles in |
| |
# course's home server. |
| |
# |
| |
# action = copy - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file will |
| |
# be copied from $source (current location) to |
| |
# /home/httpd/html/userfiles/$domain/1/2/3/$course/$file |
| |
# and will then be copied to |
| |
# /home/httpd/lonUsers/$domain/1/2/3/$course/userfiles/$file in |
| |
# course's home server. |
| |
# |
| |
# action = uploaddoc - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file |
| |
# will be retrived from $ENV{form.uploaddoc} (from DOCS interface) to |
| |
# /home/httpd/html/userfiles/$domain/1/2/3/$course/$file |
| |
# and will then be copied to /home/httpd/lonUsers/1/2/3/$course/userfiles/$file |
| |
# in course's home server. |
| |
|
| |
|
| |
sub process_coursefile { |
| |
my ($action,$docuname,$docudom,$docuhome,$file,$source)=@_; |
| |
my $fetchresult; |
| |
if ($action eq 'propagate') { |
| |
$fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file |
| |
,$docuhome); |
| |
} else { |
| |
my $fetchresult = ''; |
| |
my $fpath = ''; |
| |
my $fname = $file; |
| |
($fpath,$fname) = ($file =~ m|^(.*)/([^/]+)$|); |
| |
$fpath=$docudom.'/'.$docuname.'/'.$fpath; |
| |
my $filepath=$perlvar{'lonDocRoot'}.'/userfiles'; |
| |
unless ($fpath eq '') { |
| |
my @parts=split('/',$fpath); |
| |
foreach my $part (@parts) { |
| |
$filepath.= '/'.$part; |
| |
if ((-e $filepath)!=1) { |
| |
mkdir($filepath,0777); |
| |
} |
| |
} |
| |
} |
| |
if ($action eq 'copy') { |
| |
if ($source eq '') { |
| |
$fetchresult = 'no source file'; |
| |
return $fetchresult; |
| |
} else { |
| |
my $destination = $filepath.'/'.$fname; |
| |
rename($source,$destination); |
| |
$fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, |
| |
$docuhome); |
| |
} |
| |
} elsif ($action eq 'uploaddoc') { |
| |
open(my $fh,'>'.$filepath.'/'.$fname); |
| |
print $fh $ENV{'form.'.$source}; |
| |
close($fh); |
| |
$fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file, |
| |
$docuhome); |
| |
if ($fetchresult eq 'ok') { |
| |
return '/uploaded/'.$fpath.'/'.$fname; |
| |
} else { |
| |
&logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file. |
| |
' to host '.$docuhome.': '.$fetchresult); |
| |
return '/adm/notfound.html'; |
| |
} |
| |
} |
| |
} |
| |
unless ( $fetchresult eq 'ok') { |
| |
&logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file. |
| |
' to host '.$docuhome.': '.$fetchresult); |
| |
} |
| |
return $fetchresult; |
| |
} |
| |
|
| |
# --------------- Take an uploaded file and put it into the userfiles directory |
| |
# input: name of form element, coursedoc=1 means this is for the course |
| |
# output: url of file in userspace |
| |
|
| |
sub clean_filename { |
| |
my ($fname)=@_; |
| |
# Replace Windows backslashes by forward slashes |
| |
$fname=~s/\\/\//g; |
| |
# Get rid of everything but the actual filename |
| |
$fname=~s/^.*\/([^\/]+)$/$1/; |
| |
# Replace spaces by underscores |
| |
$fname=~s/\s+/\_/g; |
| |
# Replace all other weird characters by nothing |
| |
$fname=~s/[^\w\.\-]//g; |
| |
# Replace all .\d. sequences with _\d. so they no longer look like version |
| |
# numbers |
| |
$fname=~s/\.(\d+)(?=\.)/_$1/g; |
| |
return $fname; |
| |
} |
| |
|
| |
sub userfileupload { |
| |
my ($formname,$coursedoc,$subdir)=@_; |
| |
if (!defined($subdir)) { $subdir='unknown'; } |
| |
my $fname=$ENV{'form.'.$formname.'.filename'}; |
| |
$fname=&clean_filename($fname); |
| |
# See if there is anything left |
| |
unless ($fname) { return 'error: no uploaded file'; } |
| |
chop($ENV{'form.'.$formname}); |
| |
if (($formname eq 'screenshot') && ($subdir eq 'helprequests')) { #files uploaded to help request form are handled differently |
| |
my $now = time; |
| |
my $filepath = 'tmp/helprequests/'.$now; |
| |
my @parts=split(/\//,$filepath); |
| |
my $fullpath = $perlvar{'lonDaemons'}; |
| |
for (my $i=0;$i<@parts;$i++) { |
| |
$fullpath .= '/'.$parts[$i]; |
| |
if ((-e $fullpath)!=1) { |
| |
mkdir($fullpath,0777); |
| |
} |
| |
} |
| |
open(my $fh,'>'.$fullpath.'/'.$fname); |
| |
print $fh $ENV{'form.'.$formname}; |
| |
close($fh); |
| |
return $fullpath.'/'.$fname; |
| |
} |
| |
# Create the directory if not present |
| |
my $docuname=''; |
| |
my $docudom=''; |
| |
my $docuhome=''; |
| |
$fname="$subdir/$fname"; |
| |
if ($coursedoc) { |
| |
$docuname=$ENV{'course.'.$ENV{'request.course.id'}.'.num'}; |
| |
$docudom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; |
| |
$docuhome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'}; |
| |
if ($ENV{'form.folder'} =~ m/^default/) { |
| |
return &finishuserfileupload($docuname,$docudom,$docuhome,$formname,$fname); |
| |
} else { |
| |
$fname=$ENV{'form.folder'}.'/'.$fname; |
| |
return &process_coursefile('uploaddoc',$docuname,$docudom,$docuhome,$fname,$formname); |
| |
} |
| |
} else { |
| |
$docuname=$ENV{'user.name'}; |
| |
$docudom=$ENV{'user.domain'}; |
| |
$docuhome=$ENV{'user.home'}; |
| |
return &finishuserfileupload($docuname,$docudom,$docuhome,$formname,$fname); |
| |
} |
| |
} |
| |
|
| |
sub finishuserfileupload { |
| |
my ($docuname,$docudom,$docuhome,$formname,$fname)=@_; |
| |
my $path=$docudom.'/'.$docuname.'/'; |
| |
my $filepath=$perlvar{'lonDocRoot'}; |
| |
my ($fnamepath,$file); |
| |
$file=$fname; |
| |
if ($fname=~m|/|) { |
| |
($fnamepath,$file) = ($fname =~ m|^(.*)/([^/]+)$|); |
| |
$path.=$fnamepath.'/'; |
| |
} |
| |
my @parts=split(/\//,$filepath.'/userfiles/'.$path); |
| |
my $count; |
| |
for ($count=4;$count<=$#parts;$count++) { |
| |
$filepath.="/$parts[$count]"; |
| |
if ((-e $filepath)!=1) { |
| |
mkdir($filepath,0777); |
| |
} |
| |
} |
| |
# Save the file |
| |
{ |
| |
#&Apache::lonnet::logthis("Saving to $filepath $file"); |
| |
open(my $fh,'>'.$filepath.'/'.$file); |
| |
print $fh $ENV{'form.'.$formname}; |
| |
close($fh); |
| |
} |
| |
# Notify homeserver to grep it |
| |
# |
| |
my $fetchresult= &reply('fetchuserfile:'.$path.$file,$docuhome); |
| |
if ($fetchresult eq 'ok') { |
| |
# |
| |
# Return the URL to it |
| |
return '/uploaded/'.$path.$file; |
| |
} else { |
| |
&logthis('Failed to transfer '.$path.$file.' to host '.$docuhome. |
| |
': '.$fetchresult); |
| |
return '/adm/notfound.html'; |
| |
} |
| |
} |
| |
|
| |
sub removeuploadedurl { |
| |
my ($url)=@_; |
| |
my (undef,undef,$udom,$uname,$fname)=split('/',$url,5); |
| |
return &Apache::lonnet::removeuserfile($uname,$udom,$fname); |
| |
} |
| |
|
| |
sub removeuserfile { |
| |
my ($docuname,$docudom,$fname)=@_; |
| |
my $home=&homeserver($docuname,$docudom); |
| |
return &reply("removeuserfile:$docudom/$docuname/$fname",$home); |
| |
} |
| |
|
| |
sub mkdiruserfile { |
| |
my ($docuname,$docudom,$dir)=@_; |
| |
my $home=&homeserver($docuname,$docudom); |
| |
return &reply("mkdiruserfile:".&escape("$docudom/$docuname/$dir"),$home); |
| |
} |
| |
|
| |
sub renameuserfile { |
| |
my ($docuname,$docudom,$old,$new)=@_; |
| |
my $home=&homeserver($docuname,$docudom); |
| |
return &reply("renameuserfile:$docudom:$docuname:".&escape("$old").':'. |
| |
&escape("$new"),$home); |
| |
} |
| |
|
| # ------------------------------------------------------------------------- Log |
# ------------------------------------------------------------------------- Log |
| |
|
| sub log { |
sub log { |
| my ($dom,$nam,$hom,$what)=@_; |
my ($dom,$nam,$hom,$what)=@_; |
| return reply("log:$dom:$nam:$what",$hom); |
return critical("log:$dom:$nam:$what",$hom); |
| |
} |
| |
|
| |
# ------------------------------------------------------------------ Course Log |
| |
# |
| |
# This routine flushes several buffers of non-mission-critical nature |
| |
# |
| |
|
| |
sub flushcourselogs { |
| |
&logthis('Flushing log buffers'); |
| |
# |
| |
# course logs |
| |
# This is a log of all transactions in a course, which can be used |
| |
# for data mining purposes |
| |
# |
| |
# It also collects the courseid database, which lists last transaction |
| |
# times and course titles for all courseids |
| |
# |
| |
my %courseidbuffer=(); |
| |
foreach (keys %courselogs) { |
| |
my $crsid=$_; |
| |
if (&reply('log:'.$coursedombuf{$crsid}.':'.$coursenumbuf{$crsid}.':'. |
| |
&escape($courselogs{$crsid}), |
| |
$coursehombuf{$crsid}) eq 'ok') { |
| |
delete $courselogs{$crsid}; |
| |
} else { |
| |
&logthis('Failed to flush log buffer for '.$crsid); |
| |
if (length($courselogs{$crsid})>40000) { |
| |
&logthis("<font color=blue>WARNING: Buffer for ".$crsid. |
| |
" exceeded maximum size, deleting.</font>"); |
| |
delete $courselogs{$crsid}; |
| |
} |
| |
} |
| |
if ($courseidbuffer{$coursehombuf{$crsid}}) { |
| |
$courseidbuffer{$coursehombuf{$crsid}}.='&'. |
| |
&escape($crsid).'='.&escape($coursedescrbuf{$crsid}). |
| |
'='.&escape($courseinstcodebuf{$crsid}); |
| |
} else { |
| |
$courseidbuffer{$coursehombuf{$crsid}}= |
| |
&escape($crsid).'='.&escape($coursedescrbuf{$crsid}). |
| |
'='.&escape($courseinstcodebuf{$crsid}); |
| |
} |
| |
} |
| |
# |
| |
# Write course id database (reverse lookup) to homeserver of courses |
| |
# Is used in pickcourse |
| |
# |
| |
foreach (keys %courseidbuffer) { |
| |
&courseidput($hostdom{$_},$courseidbuffer{$_},$_); |
| |
} |
| |
# |
| |
# File accesses |
| |
# Writes to the dynamic metadata of resources to get hit counts, etc. |
| |
# |
| |
foreach my $entry (keys(%accesshash)) { |
| |
if ($entry =~ /___count$/) { |
| |
my ($dom,$name); |
| |
($dom,$name,undef)=($entry=~m:___(\w+)/(\w+)/(.*)___count$:); |
| |
if (! defined($dom) || $dom eq '' || |
| |
! defined($name) || $name eq '') { |
| |
my $cid = $ENV{'request.course.id'}; |
| |
$dom = $ENV{'request.'.$cid.'.domain'}; |
| |
$name = $ENV{'request.'.$cid.'.num'}; |
| |
} |
| |
my $value = $accesshash{$entry}; |
| |
my (undef,$url,undef) = ($entry =~ /^(.*)___(.*)___count$/); |
| |
my %temphash=($url => $value); |
| |
my $result = &inc('nohist_accesscount',\%temphash,$dom,$name); |
| |
if ($result eq 'ok') { |
| |
delete $accesshash{$entry}; |
| |
} elsif ($result eq 'unknown_cmd') { |
| |
# Target server has old code running on it. |
| |
my %temphash=($entry => $value); |
| |
if (&put('nohist_resevaldata',\%temphash,$dom,$name) eq 'ok') { |
| |
delete $accesshash{$entry}; |
| |
} |
| |
} |
| |
} else { |
| |
my ($dom,$name) = ($entry=~m:___(\w+)/(\w+)/(.*)___(\w+)$:); |
| |
my %temphash=($entry => $accesshash{$entry}); |
| |
if (&put('nohist_resevaldata',\%temphash,$dom,$name) eq 'ok') { |
| |
delete $accesshash{$entry}; |
| |
} |
| |
} |
| |
} |
| |
# |
| |
# Roles |
| |
# Reverse lookup of user roles for course faculty/staff and co-authorship |
| |
# |
| |
foreach (keys %userrolehash) { |
| |
my $entry=$_; |
| |
my ($role,$uname,$udom,$runame,$rudom,$rsec)= |
| |
split(/\:/,$entry); |
| |
if (&Apache::lonnet::put('nohist_userroles', |
| |
{ $role.':'.$uname.':'.$udom.':'.$rsec => $userrolehash{$entry} }, |
| |
$rudom,$runame) eq 'ok') { |
| |
delete $userrolehash{$entry}; |
| |
} |
| |
} |
| |
$dumpcount++; |
| |
} |
| |
|
| |
sub courselog { |
| |
my $what=shift; |
| |
$what=time.':'.$what; |
| |
unless ($ENV{'request.course.id'}) { return ''; } |
| |
$coursedombuf{$ENV{'request.course.id'}}= |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; |
| |
$coursenumbuf{$ENV{'request.course.id'}}= |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.num'}; |
| |
$coursehombuf{$ENV{'request.course.id'}}= |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.home'}; |
| |
$coursedescrbuf{$ENV{'request.course.id'}}= |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.description'}; |
| |
$courseinstcodebuf{$ENV{'request.course.id'}}= |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.internal.coursecode'}; |
| |
if (defined $courselogs{$ENV{'request.course.id'}}) { |
| |
$courselogs{$ENV{'request.course.id'}}.='&'.$what; |
| |
} else { |
| |
$courselogs{$ENV{'request.course.id'}}.=$what; |
| |
} |
| |
if (length($courselogs{$ENV{'request.course.id'}})>4048) { |
| |
&flushcourselogs(); |
| |
} |
| |
} |
| |
|
| |
sub courseacclog { |
| |
my $fnsymb=shift; |
| |
unless ($ENV{'request.course.id'}) { return ''; } |
| |
my $what=$fnsymb.':'.$ENV{'user.name'}.':'.$ENV{'user.domain'}; |
| |
if ($fnsymb=~/(problem|exam|quiz|assess|survey|form|page)$/) { |
| |
$what.=':POST'; |
| |
foreach (keys %ENV) { |
| |
if ($_=~/^form\.(.*)/) { |
| |
$what.=':'.$1.'='.$ENV{$_}; |
| |
} |
| |
} |
| |
} |
| |
&courselog($what); |
| |
} |
| |
|
| |
sub countacc { |
| |
my $url=&declutter(shift); |
| |
return if (! defined($url) || $url eq ''); |
| |
unless ($ENV{'request.course.id'}) { return ''; } |
| |
$accesshash{$ENV{'request.course.id'}.'___'.$url.'___course'}=1; |
| |
my $key=$$.$processmarker.'_'.$dumpcount.'___'.$url.'___count'; |
| |
$accesshash{$key}++; |
| |
} |
| |
|
| |
sub linklog { |
| |
my ($from,$to)=@_; |
| |
$from=&declutter($from); |
| |
$to=&declutter($to); |
| |
$accesshash{$from.'___'.$to.'___comefrom'}=1; |
| |
$accesshash{$to.'___'.$from.'___goto'}=1; |
| |
} |
| |
|
| |
sub userrolelog { |
| |
my ($trole,$username,$domain,$area,$tstart,$tend)=@_; |
| |
if (($trole=~/^ca/) || ($trole=~/^in/) || |
| |
($trole=~/^cc/) || ($trole=~/^ep/) || |
| |
($trole=~/^cr/) || ($trole=~/^ta/)) { |
| |
my (undef,$rudom,$runame,$rsec)=split(/\//,$area); |
| |
$userrolehash |
| |
{$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec} |
| |
=$tend.':'.$tstart; |
| |
} |
| |
} |
| |
|
| |
sub get_course_adv_roles { |
| |
my $cid=shift; |
| |
$cid=$ENV{'request.course.id'} unless (defined($cid)); |
| |
my %coursehash=&coursedescription($cid); |
| |
my %nothide=(); |
| |
foreach (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) { |
| |
$nothide{join(':',split(/[\@\:]/,$_))}=1; |
| |
} |
| |
my %returnhash=(); |
| |
my %dumphash= |
| |
&dump('nohist_userroles',$coursehash{'domain'},$coursehash{'num'}); |
| |
my $now=time; |
| |
foreach (keys %dumphash) { |
| |
my ($tend,$tstart)=split(/\:/,$dumphash{$_}); |
| |
if (($tstart) && ($tstart<0)) { next; } |
| |
if (($tend) && ($tend<$now)) { next; } |
| |
if (($tstart) && ($now<$tstart)) { next; } |
| |
my ($role,$username,$domain,$section)=split(/\:/,$_); |
| |
if ((&privileged($username,$domain)) && |
| |
(!$nothide{$username.':'.$domain})) { next; } |
| |
my $key=&plaintext($role); |
| |
if ($section) { $key.=' (Sec/Grp '.$section.')'; } |
| |
if ($returnhash{$key}) { |
| |
$returnhash{$key}.=','.$username.':'.$domain; |
| |
} else { |
| |
$returnhash{$key}=$username.':'.$domain; |
| |
} |
| |
} |
| |
return %returnhash; |
| |
} |
| |
|
| |
sub get_my_roles { |
| |
my ($uname,$udom)=@_; |
| |
unless (defined($uname)) { $uname=$ENV{'user.name'}; } |
| |
unless (defined($udom)) { $udom=$ENV{'user.domain'}; } |
| |
my %dumphash= |
| |
&dump('nohist_userroles',$udom,$uname); |
| |
my %returnhash=(); |
| |
my $now=time; |
| |
foreach (keys %dumphash) { |
| |
my ($tend,$tstart)=split(/\:/,$dumphash{$_}); |
| |
if (($tstart) && ($tstart<0)) { next; } |
| |
if (($tend) && ($tend<$now)) { next; } |
| |
if (($tstart) && ($now<$tstart)) { next; } |
| |
my ($role,$username,$domain,$section)=split(/\:/,$_); |
| |
$returnhash{$username.':'.$domain.':'.$role}=$tstart.':'.$tend; |
| |
} |
| |
return %returnhash; |
| |
} |
| |
|
| |
# ----------------------------------------------------- Frontpage Announcements |
| |
# |
| |
# |
| |
|
| |
sub postannounce { |
| |
my ($server,$text)=@_; |
| |
unless (&allowed('psa',$hostdom{$server})) { return 'refused'; } |
| |
unless ($text=~/\w/) { $text=''; } |
| |
return &reply('setannounce:'.&escape($text),$server); |
| |
} |
| |
|
| |
sub getannounce { |
| |
|
| |
if (open(my $fh,$perlvar{'lonDocRoot'}.'/announcement.txt')) { |
| |
my $announcement=''; |
| |
while (<$fh>) { $announcement .=$_; } |
| |
close($fh); |
| |
if ($announcement=~/\w/) { |
| |
return |
| |
'<table bgcolor="#FF5555" cellpadding="5" cellspacing="3">'. |
| |
'<tr><td bgcolor="#FFFFFF"><tt>'.$announcement.'</tt></td></tr></table>'; |
| |
} else { |
| |
return ''; |
| |
} |
| |
} else { |
| |
return ''; |
| |
} |
| |
} |
| |
|
| |
# ---------------------------------------------------------- Course ID routines |
| |
# Deal with domain's nohist_courseid.db files |
| |
# |
| |
|
| |
sub courseidput { |
| |
my ($domain,$what,$coursehome)=@_; |
| |
return &reply('courseidput:'.$domain.':'.$what,$coursehome); |
| |
} |
| |
|
| |
sub courseiddump { |
| |
my ($domfilter,$descfilter,$sincefilter,$hostidflag,$hostidref)=@_; |
| |
my %returnhash=(); |
| |
unless ($domfilter) { $domfilter=''; } |
| |
foreach my $tryserver (keys %libserv) { |
| |
if ( ($hostidflag == 1 && grep/^$tryserver$/,@{$hostidref}) || (!defined($hostidflag)) ) { |
| |
if ((!$domfilter) || ($hostdom{$tryserver} eq $domfilter)) { |
| |
foreach ( |
| |
split(/\&/,&reply('courseiddump:'.$hostdom{$tryserver}.':'. |
| |
$sincefilter.':'.&escape($descfilter), |
| |
$tryserver))) { |
| |
my ($key,$value)=split(/\=/,$_); |
| |
if (($key) && ($value)) { |
| |
$returnhash{&unescape($key)}=$value; |
| |
} |
| |
} |
| |
} |
| |
} |
| |
} |
| |
return %returnhash; |
| |
} |
| |
|
| |
# |
| |
# ----------------------------------------------------------- Check out an item |
| |
|
| |
sub get_first_access { |
| |
my ($type,$argsymb)=@_; |
| |
my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser(); |
| |
if ($argsymb) { $symb=$argsymb; } |
| |
my ($map,$id,$res)=&decode_symb($symb); |
| |
if ($type eq 'map') { $res=$map; } |
| |
my %times=&get('firstaccesstimes',[$res],$udom,$uname); |
| |
return $times{$res}; |
| |
} |
| |
|
| |
sub set_first_access { |
| |
my ($type)=@_; |
| |
my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser(); |
| |
my ($map,$id,$res)=&decode_symb($symb); |
| |
if ($type eq 'map') { $res=$map; } |
| |
my $firstaccess=&get_first_access($type); |
| |
if (!$firstaccess) { |
| |
return &put('firstaccesstimes',{$res=>time},$udom,$uname); |
| |
} |
| |
return 'already_set'; |
| |
} |
| |
|
| |
sub checkout { |
| |
my ($symb,$tuname,$tudom,$tcrsid)=@_; |
| |
my $now=time; |
| |
my $lonhost=$perlvar{'lonHostID'}; |
| |
my $infostr=&escape( |
| |
'CHECKOUTTOKEN&'. |
| |
$tuname.'&'. |
| |
$tudom.'&'. |
| |
$tcrsid.'&'. |
| |
$symb.'&'. |
| |
$now.'&'.$ENV{'REMOTE_ADDR'}); |
| |
my $token=&reply('tmpput:'.$infostr,$lonhost); |
| |
if ($token=~/^error\:/) { |
| |
&logthis("<font color=blue>WARNING: ". |
| |
"Checkout tmpput failed ".$tudom.' - '.$tuname.' - '.$symb. |
| |
"</font>"); |
| |
return ''; |
| |
} |
| |
|
| |
$token=~s/^(\d+)\_.*\_(\d+)$/$1\*$2\*$lonhost/; |
| |
$token=~tr/a-z/A-Z/; |
| |
|
| |
my %infohash=('resource.0.outtoken' => $token, |
| |
'resource.0.checkouttime' => $now, |
| |
'resource.0.outremote' => $ENV{'REMOTE_ADDR'}); |
| |
|
| |
unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') { |
| |
return ''; |
| |
} else { |
| |
&logthis("<font color=blue>WARNING: ". |
| |
"Checkout cstore failed ".$tudom.' - '.$tuname.' - '.$symb. |
| |
"</font>"); |
| |
} |
| |
|
| |
if (&log($tudom,$tuname,&homeserver($tuname,$tudom), |
| |
&escape('Checkout '.$infostr.' - '. |
| |
$token)) ne 'ok') { |
| |
return ''; |
| |
} else { |
| |
&logthis("<font color=blue>WARNING: ". |
| |
"Checkout log failed ".$tudom.' - '.$tuname.' - '.$symb. |
| |
"</font>"); |
| |
} |
| |
return $token; |
| |
} |
| |
|
| |
# ------------------------------------------------------------ Check in an item |
| |
|
| |
sub checkin { |
| |
my $token=shift; |
| |
my $now=time; |
| |
my ($ta,$tb,$lonhost)=split(/\*/,$token); |
| |
$lonhost=~tr/A-Z/a-z/; |
| |
my $dtoken=$ta.'_'.$hostip{$lonhost}.'_'.$tb; |
| |
$dtoken=~s/\W/\_/g; |
| |
my ($dummy,$tuname,$tudom,$tcrsid,$symb,$chtim,$rmaddr)= |
| |
split(/\&/,&unescape(&reply('tmpget:'.$dtoken,$lonhost))); |
| |
|
| |
unless (($tuname) && ($tudom)) { |
| |
&logthis('Check in '.$token.' ('.$dtoken.') failed'); |
| |
return ''; |
| |
} |
| |
|
| |
unless (&allowed('mgr',$tcrsid)) { |
| |
&logthis('Check in '.$token.' ('.$dtoken.') unauthorized: '. |
| |
$ENV{'user.name'}.' - '.$ENV{'user.domain'}); |
| |
return ''; |
| |
} |
| |
|
| |
my %infohash=('resource.0.intoken' => $token, |
| |
'resource.0.checkintime' => $now, |
| |
'resource.0.inremote' => $ENV{'REMOTE_ADDR'}); |
| |
|
| |
unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') { |
| |
return ''; |
| |
} |
| |
|
| |
if (&log($tudom,$tuname,&homeserver($tuname,$tudom), |
| |
&escape('Checkin - '.$token)) ne 'ok') { |
| |
return ''; |
| |
} |
| |
|
| |
return ($symb,$tuname,$tudom,$tcrsid); |
| |
} |
| |
|
| |
# --------------------------------------------- Set Expire Date for Spreadsheet |
| |
|
| |
sub expirespread { |
| |
my ($uname,$udom,$stype,$usymb)=@_; |
| |
my $cid=$ENV{'request.course.id'}; |
| |
if ($cid) { |
| |
my $now=time; |
| |
my $key=$uname.':'.$udom.':'.$stype.':'.$usymb; |
| |
return &reply('put:'.$ENV{'course.'.$cid.'.domain'}.':'. |
| |
$ENV{'course.'.$cid.'.num'}. |
| |
':nohist_expirationdates:'. |
| |
&escape($key).'='.$now, |
| |
$ENV{'course.'.$cid.'.home'}) |
| |
} |
| |
return 'ok'; |
| |
} |
| |
|
| |
# ----------------------------------------------------- Devalidate Spreadsheets |
| |
|
| |
sub devalidate { |
| |
my ($symb,$uname,$udom)=@_; |
| |
my $cid=$ENV{'request.course.id'}; |
| |
if ($cid) { |
| |
# delete the stored spreadsheets for |
| |
# - the student level sheet of this user in course's homespace |
| |
# - the assessment level sheet for this resource |
| |
# for this user in user's homespace |
| |
# - current conditional state info |
| |
my $key=$uname.':'.$udom.':'; |
| |
my $status= |
| |
&del('nohist_calculatedsheets', |
| |
[$key.'studentcalc:'], |
| |
$ENV{'course.'.$cid.'.domain'}, |
| |
$ENV{'course.'.$cid.'.num'}) |
| |
.' '. |
| |
&del('nohist_calculatedsheets_'.$cid, |
| |
[$key.'assesscalc:'.$symb],$udom,$uname); |
| |
unless ($status eq 'ok ok') { |
| |
&logthis('Could not devalidate spreadsheet '. |
| |
$uname.' at '.$udom.' for '. |
| |
$symb.': '.$status); |
| |
} |
| |
&delenv('user.state.'.$cid); |
| |
} |
| |
} |
| |
|
| |
sub get_scalar { |
| |
my ($string,$end) = @_; |
| |
my $value; |
| |
if ($$string =~ s/^([^&]*?)($end)/$2/) { |
| |
$value = $1; |
| |
} elsif ($$string =~ s/^([^&]*?)&//) { |
| |
$value = $1; |
| |
} |
| |
return &unescape($value); |
| |
} |
| |
|
| |
sub array2str { |
| |
my (@array) = @_; |
| |
my $result=&arrayref2str(\@array); |
| |
$result=~s/^__ARRAY_REF__//; |
| |
$result=~s/__END_ARRAY_REF__$//; |
| |
return $result; |
| |
} |
| |
|
| |
sub arrayref2str { |
| |
my ($arrayref) = @_; |
| |
my $result='__ARRAY_REF__'; |
| |
foreach my $elem (@$arrayref) { |
| |
if(ref($elem) eq 'ARRAY') { |
| |
$result.=&arrayref2str($elem).'&'; |
| |
} elsif(ref($elem) eq 'HASH') { |
| |
$result.=&hashref2str($elem).'&'; |
| |
} elsif(ref($elem)) { |
| |
#print("Got a ref of ".(ref($elem))." skipping."); |
| |
} else { |
| |
$result.=&escape($elem).'&'; |
| |
} |
| |
} |
| |
$result=~s/\&$//; |
| |
$result .= '__END_ARRAY_REF__'; |
| |
return $result; |
| |
} |
| |
|
| |
sub hash2str { |
| |
my (%hash) = @_; |
| |
my $result=&hashref2str(\%hash); |
| |
$result=~s/^__HASH_REF__//; |
| |
$result=~s/__END_HASH_REF__$//; |
| |
return $result; |
| |
} |
| |
|
| |
sub hashref2str { |
| |
my ($hashref)=@_; |
| |
my $result='__HASH_REF__'; |
| |
foreach (sort(keys(%$hashref))) { |
| |
if (ref($_) eq 'ARRAY') { |
| |
$result.=&arrayref2str($_).'='; |
| |
} elsif (ref($_) eq 'HASH') { |
| |
$result.=&hashref2str($_).'='; |
| |
} elsif (ref($_)) { |
| |
$result.='='; |
| |
#print("Got a ref of ".(ref($_))." skipping."); |
| |
} else { |
| |
if ($_) {$result.=&escape($_).'=';} else { last; } |
| |
} |
| |
|
| |
if(ref($hashref->{$_}) eq 'ARRAY') { |
| |
$result.=&arrayref2str($hashref->{$_}).'&'; |
| |
} elsif(ref($hashref->{$_}) eq 'HASH') { |
| |
$result.=&hashref2str($hashref->{$_}).'&'; |
| |
} elsif(ref($hashref->{$_})) { |
| |
$result.='&'; |
| |
#print("Got a ref of ".(ref($hashref->{$_}))." skipping."); |
| |
} else { |
| |
$result.=&escape($hashref->{$_}).'&'; |
| |
} |
| |
} |
| |
$result=~s/\&$//; |
| |
$result .= '__END_HASH_REF__'; |
| |
return $result; |
| |
} |
| |
|
| |
sub str2hash { |
| |
my ($string)=@_; |
| |
my ($hash)=&str2hashref('__HASH_REF__'.$string.'__END_HASH_REF__'); |
| |
return %$hash; |
| |
} |
| |
|
| |
sub str2hashref { |
| |
my ($string) = @_; |
| |
|
| |
my %hash; |
| |
|
| |
if($string !~ /^__HASH_REF__/) { |
| |
if (! ($string eq '' || !defined($string))) { |
| |
$hash{'error'}='Not hash reference'; |
| |
} |
| |
return (\%hash, $string); |
| |
} |
| |
|
| |
$string =~ s/^__HASH_REF__//; |
| |
|
| |
while($string !~ /^__END_HASH_REF__/) { |
| |
#key |
| |
my $key=''; |
| |
if($string =~ /^__HASH_REF__/) { |
| |
($key, $string)=&str2hashref($string); |
| |
if(defined($key->{'error'})) { |
| |
$hash{'error'}='Bad data'; |
| |
return (\%hash, $string); |
| |
} |
| |
} elsif($string =~ /^__ARRAY_REF__/) { |
| |
($key, $string)=&str2arrayref($string); |
| |
if($key->[0] eq 'Array reference error') { |
| |
$hash{'error'}='Bad data'; |
| |
return (\%hash, $string); |
| |
} |
| |
} else { |
| |
$string =~ s/^(.*?)=//; |
| |
$key=&unescape($1); |
| |
} |
| |
$string =~ s/^=//; |
| |
|
| |
#value |
| |
my $value=''; |
| |
if($string =~ /^__HASH_REF__/) { |
| |
($value, $string)=&str2hashref($string); |
| |
if(defined($value->{'error'})) { |
| |
$hash{'error'}='Bad data'; |
| |
return (\%hash, $string); |
| |
} |
| |
} elsif($string =~ /^__ARRAY_REF__/) { |
| |
($value, $string)=&str2arrayref($string); |
| |
if($value->[0] eq 'Array reference error') { |
| |
$hash{'error'}='Bad data'; |
| |
return (\%hash, $string); |
| |
} |
| |
} else { |
| |
$value=&get_scalar(\$string,'__END_HASH_REF__'); |
| |
} |
| |
$string =~ s/^&//; |
| |
|
| |
$hash{$key}=$value; |
| |
} |
| |
|
| |
$string =~ s/^__END_HASH_REF__//; |
| |
|
| |
return (\%hash, $string); |
| |
} |
| |
|
| |
sub str2array { |
| |
my ($string)=@_; |
| |
my ($array)=&str2arrayref('__ARRAY_REF__'.$string.'__END_ARRAY_REF__'); |
| |
return @$array; |
| |
} |
| |
|
| |
sub str2arrayref { |
| |
my ($string) = @_; |
| |
my @array; |
| |
|
| |
if($string !~ /^__ARRAY_REF__/) { |
| |
if (! ($string eq '' || !defined($string))) { |
| |
$array[0]='Array reference error'; |
| |
} |
| |
return (\@array, $string); |
| |
} |
| |
|
| |
$string =~ s/^__ARRAY_REF__//; |
| |
|
| |
while($string !~ /^__END_ARRAY_REF__/) { |
| |
my $value=''; |
| |
if($string =~ /^__HASH_REF__/) { |
| |
($value, $string)=&str2hashref($string); |
| |
if(defined($value->{'error'})) { |
| |
$array[0] ='Array reference error'; |
| |
return (\@array, $string); |
| |
} |
| |
} elsif($string =~ /^__ARRAY_REF__/) { |
| |
($value, $string)=&str2arrayref($string); |
| |
if($value->[0] eq 'Array reference error') { |
| |
$array[0] ='Array reference error'; |
| |
return (\@array, $string); |
| |
} |
| |
} else { |
| |
$value=&get_scalar(\$string,'__END_ARRAY_REF__'); |
| |
} |
| |
$string =~ s/^&//; |
| |
|
| |
push(@array, $value); |
| |
} |
| |
|
| |
$string =~ s/^__END_ARRAY_REF__//; |
| |
|
| |
return (\@array, $string); |
| |
} |
| |
|
| |
# -------------------------------------------------------------------Temp Store |
| |
|
| |
sub tmpreset { |
| |
my ($symb,$namespace,$domain,$stuname) = @_; |
| |
if (!$symb) { |
| |
$symb=&symbread(); |
| |
if (!$symb) { $symb= $ENV{'request.url'}; } |
| |
} |
| |
$symb=escape($symb); |
| |
|
| |
if (!$namespace) { $namespace=$ENV{'request.state'}; } |
| |
$namespace=~s/\//\_/g; |
| |
$namespace=~s/\W//g; |
| |
|
| |
#FIXME needs to do something for /pub resources |
| |
if (!$domain) { $domain=$ENV{'user.domain'}; } |
| |
if (!$stuname) { $stuname=$ENV{'user.name'}; } |
| |
my $path=$perlvar{'lonDaemons'}.'/tmp'; |
| |
my %hash; |
| |
if (tie(%hash,'GDBM_File', |
| |
$path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db', |
| |
&GDBM_WRCREAT(),0640)) { |
| |
foreach my $key (keys %hash) { |
| |
if ($key=~ /:$symb/) { |
| |
delete($hash{$key}); |
| |
} |
| |
} |
| |
} |
| |
} |
| |
|
| |
sub tmpstore { |
| |
my ($storehash,$symb,$namespace,$domain,$stuname) = @_; |
| |
|
| |
if (!$symb) { |
| |
$symb=&symbread(); |
| |
if (!$symb) { $symb= $ENV{'request.url'}; } |
| |
} |
| |
$symb=escape($symb); |
| |
|
| |
if (!$namespace) { |
| |
# I don't think we would ever want to store this for a course. |
| |
# it seems this will only be used if we don't have a course. |
| |
#$namespace=$ENV{'request.course.id'}; |
| |
#if (!$namespace) { |
| |
$namespace=$ENV{'request.state'}; |
| |
#} |
| |
} |
| |
$namespace=~s/\//\_/g; |
| |
$namespace=~s/\W//g; |
| |
#FIXME needs to do something for /pub resources |
| |
if (!$domain) { $domain=$ENV{'user.domain'}; } |
| |
if (!$stuname) { $stuname=$ENV{'user.name'}; } |
| |
my $now=time; |
| |
my %hash; |
| |
my $path=$perlvar{'lonDaemons'}.'/tmp'; |
| |
if (tie(%hash,'GDBM_File', |
| |
$path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db', |
| |
&GDBM_WRCREAT(),0640)) { |
| |
$hash{"version:$symb"}++; |
| |
my $version=$hash{"version:$symb"}; |
| |
my $allkeys=''; |
| |
foreach my $key (keys(%$storehash)) { |
| |
$allkeys.=$key.':'; |
| |
$hash{"$version:$symb:$key"}=$$storehash{$key}; |
| |
} |
| |
$hash{"$version:$symb:timestamp"}=$now; |
| |
$allkeys.='timestamp'; |
| |
$hash{"$version:keys:$symb"}=$allkeys; |
| |
if (untie(%hash)) { |
| |
return 'ok'; |
| |
} else { |
| |
return "error:$!"; |
| |
} |
| |
} else { |
| |
return "error:$!"; |
| |
} |
| |
} |
| |
|
| |
# -----------------------------------------------------------------Temp Restore |
| |
|
| |
sub tmprestore { |
| |
my ($symb,$namespace,$domain,$stuname) = @_; |
| |
|
| |
if (!$symb) { |
| |
$symb=&symbread(); |
| |
if (!$symb) { $symb= $ENV{'request.url'}; } |
| |
} |
| |
$symb=escape($symb); |
| |
|
| |
if (!$namespace) { $namespace=$ENV{'request.state'}; } |
| |
#FIXME needs to do something for /pub resources |
| |
if (!$domain) { $domain=$ENV{'user.domain'}; } |
| |
if (!$stuname) { $stuname=$ENV{'user.name'}; } |
| |
|
| |
my %returnhash; |
| |
$namespace=~s/\//\_/g; |
| |
$namespace=~s/\W//g; |
| |
my %hash; |
| |
my $path=$perlvar{'lonDaemons'}.'/tmp'; |
| |
if (tie(%hash,'GDBM_File', |
| |
$path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db', |
| |
&GDBM_READER(),0640)) { |
| |
my $version=$hash{"version:$symb"}; |
| |
$returnhash{'version'}=$version; |
| |
my $scope; |
| |
for ($scope=1;$scope<=$version;$scope++) { |
| |
my $vkeys=$hash{"$scope:keys:$symb"}; |
| |
my @keys=split(/:/,$vkeys); |
| |
my $key; |
| |
$returnhash{"$scope:keys"}=$vkeys; |
| |
foreach $key (@keys) { |
| |
$returnhash{"$scope:$key"}=$hash{"$scope:$symb:$key"}; |
| |
$returnhash{"$key"}=$hash{"$scope:$symb:$key"}; |
| |
} |
| |
} |
| |
if (!(untie(%hash))) { |
| |
return "error:$!"; |
| |
} |
| |
} else { |
| |
return "error:$!"; |
| |
} |
| |
return %returnhash; |
| } |
} |
| |
|
| # ----------------------------------------------------------------------- Store |
# ----------------------------------------------------------------------- Store |
| |
|
| sub store { |
sub store { |
| my %storehash=shift; |
my ($storehash,$symb,$namespace,$domain,$stuname) = @_; |
| |
my $home=''; |
| |
|
| |
if ($stuname) { $home=&homeserver($stuname,$domain); } |
| |
|
| |
$symb=&symbclean($symb); |
| |
if (!$symb) { unless ($symb=&symbread()) { return ''; } } |
| |
|
| |
if (!$domain) { $domain=$ENV{'user.domain'}; } |
| |
if (!$stuname) { $stuname=$ENV{'user.name'}; } |
| |
|
| |
&devalidate($symb,$stuname,$domain); |
| |
|
| |
$symb=escape($symb); |
| |
if (!$namespace) { |
| |
unless ($namespace=$ENV{'request.course.id'}) { |
| |
return ''; |
| |
} |
| |
} |
| |
if (!$home) { $home=$ENV{'user.home'}; } |
| |
|
| |
$$storehash{'ip'}=$ENV{'REMOTE_ADDR'}; |
| |
$$storehash{'host'}=$perlvar{'lonHostID'}; |
| |
|
| |
my $namevalue=''; |
| |
foreach (keys %$storehash) { |
| |
$namevalue.=escape($_).'='.escape($$storehash{$_}).'&'; |
| |
} |
| |
$namevalue=~s/\&$//; |
| |
&courselog($symb.':'.$stuname.':'.$domain.':STORE:'.$namevalue); |
| |
return reply("store:$domain:$stuname:$namespace:$symb:$namevalue","$home"); |
| |
} |
| |
|
| |
# -------------------------------------------------------------- Critical Store |
| |
|
| |
sub cstore { |
| |
my ($storehash,$symb,$namespace,$domain,$stuname) = @_; |
| |
my $home=''; |
| |
|
| |
if ($stuname) { $home=&homeserver($stuname,$domain); } |
| |
|
| |
$symb=&symbclean($symb); |
| |
if (!$symb) { unless ($symb=&symbread()) { return ''; } } |
| |
|
| |
if (!$domain) { $domain=$ENV{'user.domain'}; } |
| |
if (!$stuname) { $stuname=$ENV{'user.name'}; } |
| |
|
| |
&devalidate($symb,$stuname,$domain); |
| |
|
| |
$symb=escape($symb); |
| |
if (!$namespace) { |
| |
unless ($namespace=$ENV{'request.course.id'}) { |
| |
return ''; |
| |
} |
| |
} |
| |
if (!$home) { $home=$ENV{'user.home'}; } |
| |
|
| |
$$storehash{'ip'}=$ENV{'REMOTE_ADDR'}; |
| |
$$storehash{'host'}=$perlvar{'lonHostID'}; |
| |
|
| my $namevalue=''; |
my $namevalue=''; |
| map { |
foreach (keys %$storehash) { |
| $namevalue.=escape($_).'='.escape($storehash{$_}).'&'; |
$namevalue.=escape($_).'='.escape($$storehash{$_}).'&'; |
| } keys %storehash; |
} |
| $namevalue=~s/\&$//; |
$namevalue=~s/\&$//; |
| return reply("store:$ENV{'user.domain'}:$ENV{'user.name'}:" |
&courselog($symb.':'.$stuname.':'.$domain.':CSTORE:'.$namevalue); |
| ."$ENV{'user.class'}:$ENV{'request.filename'}:$namevalue", |
return critical |
| "$ENV{'user.home'}"); |
("store:$domain:$stuname:$namespace:$symb:$namevalue","$home"); |
| } |
} |
| |
|
| # --------------------------------------------------------------------- Restore |
# --------------------------------------------------------------------- Restore |
| |
|
| sub restore { |
sub restore { |
| my $answer=reply("restore:$ENV{'user.domain'}:$ENV{'user.name'}:" |
my ($symb,$namespace,$domain,$stuname) = @_; |
| ."$ENV{'user.class'}:$ENV{'request.filename'}", |
my $home=''; |
| "$ENV{'user.home'}"); |
|
| |
if ($stuname) { $home=&homeserver($stuname,$domain); } |
| |
|
| |
if (!$symb) { |
| |
unless ($symb=escape(&symbread())) { return ''; } |
| |
} else { |
| |
$symb=&escape(&symbclean($symb)); |
| |
} |
| |
if (!$namespace) { |
| |
unless ($namespace=$ENV{'request.course.id'}) { |
| |
return ''; |
| |
} |
| |
} |
| |
if (!$domain) { $domain=$ENV{'user.domain'}; } |
| |
if (!$stuname) { $stuname=$ENV{'user.name'}; } |
| |
if (!$home) { $home=$ENV{'user.home'}; } |
| |
my $answer=&reply("restore:$domain:$stuname:$namespace:$symb","$home"); |
| |
|
| my %returnhash=(); |
my %returnhash=(); |
| map { |
foreach (split(/\&/,$answer)) { |
| my ($name,$value)=split(/\=/,$_); |
my ($name,$value)=split(/\=/,$_); |
| $returnhash{&unescape($name)}=&unescape($value); |
$returnhash{&unescape($name)}=&unescape($value); |
| } split(/\&/,$answer); |
} |
| |
my $version; |
| |
for ($version=1;$version<=$returnhash{'version'};$version++) { |
| |
foreach (split(/\:/,$returnhash{$version.':keys'})) { |
| |
$returnhash{$_}=$returnhash{$version.':'.$_}; |
| |
} |
| |
} |
| return %returnhash; |
return %returnhash; |
| } |
} |
| |
|
| # -------------------------------------------------------- Get user priviledges |
# ---------------------------------------------------------- Course Description |
| |
|
| |
sub coursedescription { |
| |
my $courseid=shift; |
| |
$courseid=~s/^\///; |
| |
$courseid=~s/\_/\//g; |
| |
my ($cdomain,$cnum)=split(/\//,$courseid); |
| |
my $chome=&homeserver($cnum,$cdomain); |
| |
my $normalid=$cdomain.'_'.$cnum; |
| |
# need to always cache even if we get errors otherwise we keep |
| |
# trying and trying and trying to get the course description. |
| |
my %envhash=(); |
| |
my %returnhash=(); |
| |
$envhash{'course.'.$normalid.'.last_cache'}=time; |
| |
if ($chome ne 'no_host') { |
| |
%returnhash=&dump('environment',$cdomain,$cnum); |
| |
if (!exists($returnhash{'con_lost'})) { |
| |
$returnhash{'home'}= $chome; |
| |
$returnhash{'domain'} = $cdomain; |
| |
$returnhash{'num'} = $cnum; |
| |
while (my ($name,$value) = each %returnhash) { |
| |
$envhash{'course.'.$normalid.'.'.$name}=$value; |
| |
} |
| |
$returnhash{'url'}=&clutter($returnhash{'url'}); |
| |
$returnhash{'fn'}=$perlvar{'lonDaemons'}.'/tmp/'. |
| |
$ENV{'user.name'}.'_'.$cdomain.'_'.$cnum; |
| |
$envhash{'course.'.$normalid.'.home'}=$chome; |
| |
$envhash{'course.'.$normalid.'.domain'}=$cdomain; |
| |
$envhash{'course.'.$normalid.'.num'}=$cnum; |
| |
} |
| |
} |
| |
&appenv(%envhash); |
| |
return %returnhash; |
| |
} |
| |
|
| |
# -------------------------------------------------See if a user is privileged |
| |
|
| |
sub privileged { |
| |
my ($username,$domain)=@_; |
| |
my $rolesdump=&reply("dump:$domain:$username:roles", |
| |
&homeserver($username,$domain)); |
| |
if (($rolesdump eq 'con_lost') || ($rolesdump eq '')) { return 0; } |
| |
my $now=time; |
| |
if ($rolesdump ne '') { |
| |
foreach (split(/&/,$rolesdump)) { |
| |
if ($_!~/^rolesdef\&/) { |
| |
my ($area,$role)=split(/=/,$_); |
| |
$area=~s/\_\w\w$//; |
| |
my ($trole,$tend,$tstart)=split(/_/,$role); |
| |
if (($trole eq 'dc') || ($trole eq 'su')) { |
| |
my $active=1; |
| |
if ($tend) { |
| |
if ($tend<$now) { $active=0; } |
| |
} |
| |
if ($tstart) { |
| |
if ($tstart>$now) { $active=0; } |
| |
} |
| |
if ($active) { return 1; } |
| |
} |
| |
} |
| |
} |
| |
} |
| |
return 0; |
| |
} |
| |
|
| |
# -------------------------------------------------------- Get user privileges |
| |
|
| sub rolesinit { |
sub rolesinit { |
| my ($domain,$username,$authhost)=@_; |
my ($domain,$username,$authhost)=@_; |
|
Line 435 sub rolesinit {
|
Line 2395 sub rolesinit {
|
| my $thesestr; |
my $thesestr; |
| |
|
| if ($rolesdump ne '') { |
if ($rolesdump ne '') { |
| map { |
foreach (split(/&/,$rolesdump)) { |
| if ($_!~/^rolesdef\&/) { |
if ($_!~/^rolesdef\&/) { |
| my ($area,$role)=split(/=/,$_); |
my ($area,$role)=split(/=/,$_); |
| $area=~s/\_\w\w$//; |
$area=~s/\_\w\w$//; |
| my ($trole,$tend,$tstart)=split(/_/,$role); |
my ($trole,$tend,$tstart)=split(/_/,$role); |
| $userroles.='user.role.'.$trole.'.'.$area.'='. |
$userroles.='user.role.'.$trole.'.'.$area.'='. |
| $tstart.'.'.$tend."\n"; |
$tstart.'.'.$tend."\n"; |
| |
# log the associated role with the area |
| |
&userrolelog($trole,$username,$domain,$area,$tstart,$tend); |
| if ($tend!=0) { |
if ($tend!=0) { |
| if ($tend<$now) { |
if ($tend<$now) { |
| $trole=''; |
$trole=''; |
|
Line 453 sub rolesinit {
|
Line 2415 sub rolesinit {
|
| } |
} |
| } |
} |
| if (($area ne '') && ($trole ne '')) { |
if (($area ne '') && ($trole ne '')) { |
| my ($tdummy,$tdomain,$trest)=split(/\//,$area); |
my $spec=$trole.'.'.$area; |
| if ($trole =~ /^cr\//) { |
my ($tdummy,$tdomain,$trest)=split(/\//,$area); |
| my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$trole); |
if ($trole =~ /^cr\//) { |
| my $homsvr=homeserver($rauthor,$rdomain); |
my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$trole); |
| if ($hostname{$homsvr} ne '') { |
my $homsvr=homeserver($rauthor,$rdomain); |
| my $roledef= |
if ($hostname{$homsvr} ne '') { |
| reply("get:$rdomain:$rauthor:roles:rolesdef_$rrole", |
my ($rdummy,$roledef)= |
| $homsvr); |
&get('roles',["rolesdef_$rrole"],$rdomain,$rauthor); |
| if (($roledef ne 'con_lost') && ($roledef ne '')) { |
|
| my ($syspriv,$dompriv,$coursepriv)= |
if (($rdummy ne 'con_lost') && ($roledef ne '')) { |
| split(/\_/,unescape($roledef)); |
my ($syspriv,$dompriv,$coursepriv)= |
| $allroles{'/'}.=':'.$syspriv; |
split(/\_/,$roledef); |
| if ($tdomain ne '') { |
if (defined($syspriv)) { |
| $allroles{'/'.$tdomain.'/'}.=':'.$dompriv; |
$allroles{'cm./'}.=':'.$syspriv; |
| if ($trest ne '') { |
$allroles{$spec.'./'}.=':'.$syspriv; |
| $allroles{$area}.=':'.$coursepriv; |
} |
| } |
if ($tdomain ne '') { |
| } |
if (defined($dompriv)) { |
| } |
$allroles{'cm./'.$tdomain.'/'}.=':'.$dompriv; |
| } |
$allroles{$spec.'./'.$tdomain.'/'}.=':'.$dompriv; |
| } else { |
} |
| $allroles{'/'}.=':'.$pr{$trole.':s'}; |
if ($trest ne '') { |
| if ($tdomain ne '') { |
if (defined($coursepriv)) { |
| $allroles{'/'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; |
$allroles{'cm.'.$area}.=':'.$coursepriv; |
| if ($trest ne '') { |
$allroles{$spec.'.'.$area}.=':'.$coursepriv; |
| $allroles{$area}.=':'.$pr{$trole.':c'}; |
} |
| } |
} |
| } |
} |
| } |
} |
| |
} |
| |
} else { |
| |
if (defined($pr{$trole.':s'})) { |
| |
$allroles{'cm./'}.=':'.$pr{$trole.':s'}; |
| |
$allroles{$spec.'./'}.=':'.$pr{$trole.':s'}; |
| |
} |
| |
if ($tdomain ne '') { |
| |
if (defined($pr{$trole.':d'})) { |
| |
$allroles{'cm./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; |
| |
$allroles{$spec.'./'.$tdomain.'/'}.=':'.$pr{$trole.':d'}; |
| |
} |
| |
if ($trest ne '') { |
| |
if (defined($pr{$trole.':c'})) { |
| |
$allroles{'cm.'.$area}.=':'.$pr{$trole.':c'}; |
| |
$allroles{$spec.'.'.$area}.=':'.$pr{$trole.':c'}; |
| |
} |
| |
} |
| |
} |
| |
} |
| } |
} |
| } |
} |
| } split(/&/,$rolesdump); |
} |
| map { |
my $adv=0; |
| |
my $author=0; |
| |
foreach (keys %allroles) { |
| %thesepriv=(); |
%thesepriv=(); |
| map { |
if (($_!~/^st/) && ($_!~/^ta/) && ($_!~/^cm/)) { $adv=1; } |
| |
if (($_=~/^au/) || ($_=~/^ca/)) { $author=1; } |
| |
foreach (split(/:/,$allroles{$_})) { |
| if ($_ ne '') { |
if ($_ ne '') { |
| my ($priviledge,$restrictions)=split(/&/,$_); |
my ($privilege,$restrictions)=split(/&/,$_); |
| if ($restrictions eq '') { |
if ($restrictions eq '') { |
| $thesepriv{$priviledge}='F'; |
$thesepriv{$privilege}='F'; |
| } else { |
} else { |
| if ($thesepriv{$priviledge} ne 'F') { |
if ($thesepriv{$privilege} ne 'F') { |
| $thesepriv{$priviledge}.=$restrictions; |
$thesepriv{$privilege}.=$restrictions; |
| } |
} |
| } |
} |
| } |
} |
| } split(/:/,$allroles{$_}); |
} |
| $thesestr=''; |
$thesestr=''; |
| map { $thesestr.=':'.$_.'&'.$thesepriv{$_}; } keys %thesepriv; |
foreach (keys %thesepriv) { $thesestr.=':'.$_.'&'.$thesepriv{$_}; } |
| $userroles.='user.priv.'.$_.'='.$thesestr."\n"; |
$userroles.='user.priv.'.$_.'='.$thesestr."\n"; |
| } keys %allroles; |
} |
| |
$userroles.='user.adv='.$adv."\n". |
| |
'user.author='.$author."\n"; |
| |
$ENV{'user.adv'}=$adv; |
| } |
} |
| return $userroles; |
return $userroles; |
| } |
} |
|
Line 510 sub rolesinit {
|
Line 2498 sub rolesinit {
|
| # --------------------------------------------------------------- get interface |
# --------------------------------------------------------------- get interface |
| |
|
| sub get { |
sub get { |
| my ($namespace,@storearr)=@_; |
my ($namespace,$storearr,$udomain,$uname)=@_; |
| my $items=''; |
my $items=''; |
| map { |
foreach (@$storearr) { |
| $items.=escape($_).'&'; |
$items.=escape($_).'&'; |
| } @storearr; |
} |
| $items=~s/\&$//; |
$items=~s/\&$//; |
| my $rep=reply("get:$ENV{'user.domain'}:$ENV{'user.name'}:$namespace:$items", |
if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
| $ENV{'user.home'}); |
if (!$uname) { $uname=$ENV{'user.name'}; } |
| |
my $uhome=&homeserver($uname,$udomain); |
| |
|
| |
my $rep=&reply("get:$udomain:$uname:$namespace:$items",$uhome); |
| my @pairs=split(/\&/,$rep); |
my @pairs=split(/\&/,$rep); |
| |
if ( $#pairs==0 && $pairs[0] =~ /^(con_lost|error|no_such_host)/i) { |
| |
return @pairs; |
| |
} |
| my %returnhash=(); |
my %returnhash=(); |
| map { |
my $i=0; |
| my ($key,$value)=split(/=/,$_); |
foreach (@$storearr) { |
| $returnhash{unespace($key)}=unescape($value); |
$returnhash{$_}=unescape($pairs[$i]); |
| } @pairs; |
$i++; |
| |
} |
| return %returnhash; |
return %returnhash; |
| } |
} |
| |
|
| |
# --------------------------------------------------------------- del interface |
| |
|
| |
sub del { |
| |
my ($namespace,$storearr,$udomain,$uname)=@_; |
| |
my $items=''; |
| |
foreach (@$storearr) { |
| |
$items.=escape($_).'&'; |
| |
} |
| |
$items=~s/\&$//; |
| |
if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
| |
if (!$uname) { $uname=$ENV{'user.name'}; } |
| |
my $uhome=&homeserver($uname,$udomain); |
| |
|
| |
return &reply("del:$udomain:$uname:$namespace:$items",$uhome); |
| |
} |
| |
|
| # -------------------------------------------------------------- dump interface |
# -------------------------------------------------------------- dump interface |
| |
|
| sub dump { |
sub dump { |
| my $namespace=shift; |
my ($namespace,$udomain,$uname,$regexp)=@_; |
| my $rep=reply("dump:$ENV{'user.domain'}:$ENV{'user.name'}:$namespace", |
if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
| $ENV{'user.home'}); |
if (!$uname) { $uname=$ENV{'user.name'}; } |
| |
my $uhome=&homeserver($uname,$udomain); |
| |
if ($regexp) { |
| |
$regexp=&escape($regexp); |
| |
} else { |
| |
$regexp='.'; |
| |
} |
| |
my $rep=reply("dump:$udomain:$uname:$namespace:$regexp",$uhome); |
| my @pairs=split(/\&/,$rep); |
my @pairs=split(/\&/,$rep); |
| my %returnhash=(); |
my %returnhash=(); |
| map { |
foreach (@pairs) { |
| my ($key,$value)=split(/=/,$_); |
my ($key,$value)=split(/=/,$_); |
| $returnhash{unespace($key)}=unescape($value); |
$returnhash{unescape($key)}=unescape($value); |
| } @pairs; |
} |
| |
return %returnhash; |
| |
} |
| |
|
| |
# -------------------------------------------------------------- keys interface |
| |
|
| |
sub getkeys { |
| |
my ($namespace,$udomain,$uname)=@_; |
| |
if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
| |
if (!$uname) { $uname=$ENV{'user.name'}; } |
| |
my $uhome=&homeserver($uname,$udomain); |
| |
my $rep=reply("keys:$udomain:$uname:$namespace",$uhome); |
| |
my @keyarray=(); |
| |
foreach (split(/\&/,$rep)) { |
| |
push (@keyarray,&unescape($_)); |
| |
} |
| |
return @keyarray; |
| |
} |
| |
|
| |
# --------------------------------------------------------------- currentdump |
| |
sub currentdump { |
| |
my ($courseid,$sdom,$sname)=@_; |
| |
$courseid = $ENV{'request.course.id'} if (! defined($courseid)); |
| |
$sdom = $ENV{'user.domain'} if (! defined($sdom)); |
| |
$sname = $ENV{'user.name'} if (! defined($sname)); |
| |
my $uhome = &homeserver($sname,$sdom); |
| |
my $rep=reply('currentdump:'.$sdom.':'.$sname.':'.$courseid,$uhome); |
| |
return if ($rep =~ /^(error:|no_such_host)/); |
| |
# |
| |
my %returnhash=(); |
| |
# |
| |
if ($rep eq "unknown_cmd") { |
| |
# an old lond will not know currentdump |
| |
# Do a dump and make it look like a currentdump |
| |
my @tmp = &dump($courseid,$sdom,$sname,'.'); |
| |
return if ($tmp[0] =~ /^(error:|no_such_host)/); |
| |
my %hash = @tmp; |
| |
@tmp=(); |
| |
%returnhash = %{&convert_dump_to_currentdump(\%hash)}; |
| |
} else { |
| |
my @pairs=split(/\&/,$rep); |
| |
foreach (@pairs) { |
| |
my ($key,$value)=split(/=/,$_); |
| |
my ($symb,$param) = split(/:/,$key); |
| |
$returnhash{&unescape($symb)}->{&unescape($param)} = |
| |
&unescape($value); |
| |
} |
| |
} |
| return %returnhash; |
return %returnhash; |
| } |
} |
| |
|
| |
sub convert_dump_to_currentdump{ |
| |
my %hash = %{shift()}; |
| |
my %returnhash; |
| |
# Code ripped from lond, essentially. The only difference |
| |
# here is the unescaping done by lonnet::dump(). Conceivably |
| |
# we might run in to problems with parameter names =~ /^v\./ |
| |
while (my ($key,$value) = each(%hash)) { |
| |
my ($v,$symb,$param) = split(/:/,$key); |
| |
next if ($v eq 'version' || $symb eq 'keys'); |
| |
next if (exists($returnhash{$symb}) && |
| |
exists($returnhash{$symb}->{$param}) && |
| |
$returnhash{$symb}->{'v.'.$param} > $v); |
| |
$returnhash{$symb}->{$param}=$value; |
| |
$returnhash{$symb}->{'v.'.$param}=$v; |
| |
} |
| |
# |
| |
# Remove all of the keys in the hashes which keep track of |
| |
# the version of the parameter. |
| |
while (my ($symb,$param_hash) = each(%returnhash)) { |
| |
# use a foreach because we are going to delete from the hash. |
| |
foreach my $key (keys(%$param_hash)) { |
| |
delete($param_hash->{$key}) if ($key =~ /^v\./); |
| |
} |
| |
} |
| |
return \%returnhash; |
| |
} |
| |
|
| |
# --------------------------------------------------------------- inc interface |
| |
|
| |
sub inc { |
| |
my ($namespace,$store,$udomain,$uname) = @_; |
| |
if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
| |
if (!$uname) { $uname=$ENV{'user.name'}; } |
| |
my $uhome=&homeserver($uname,$udomain); |
| |
my $items=''; |
| |
if (! ref($store)) { |
| |
# got a single value, so use that instead |
| |
$items = &escape($store).'=&'; |
| |
} elsif (ref($store) eq 'SCALAR') { |
| |
$items = &escape($$store).'=&'; |
| |
} elsif (ref($store) eq 'ARRAY') { |
| |
$items = join('=&',map {&escape($_);} @{$store}); |
| |
} elsif (ref($store) eq 'HASH') { |
| |
while (my($key,$value) = each(%{$store})) { |
| |
$items.= &escape($key).'='.&escape($value).'&'; |
| |
} |
| |
} |
| |
$items=~s/\&$//; |
| |
return &reply("inc:$udomain:$uname:$namespace:$items",$uhome); |
| |
} |
| |
|
| # --------------------------------------------------------------- put interface |
# --------------------------------------------------------------- put interface |
| |
|
| sub put { |
sub put { |
| my ($namespace,%storehash)=@_; |
my ($namespace,$storehash,$udomain,$uname)=@_; |
| |
if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
| |
if (!$uname) { $uname=$ENV{'user.name'}; } |
| |
my $uhome=&homeserver($uname,$udomain); |
| |
my $items=''; |
| |
foreach (keys %$storehash) { |
| |
$items.=&escape($_).'='.&escape($$storehash{$_}).'&'; |
| |
} |
| |
$items=~s/\&$//; |
| |
return &reply("put:$udomain:$uname:$namespace:$items",$uhome); |
| |
} |
| |
|
| |
# ---------------------------------------------------------- putstore interface |
| |
|
| |
sub putstore { |
| |
my ($namespace,$storehash,$udomain,$uname)=@_; |
| |
if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
| |
if (!$uname) { $uname=$ENV{'user.name'}; } |
| |
my $uhome=&homeserver($uname,$udomain); |
| |
my $items=''; |
| |
my %allitems = (); |
| |
foreach (keys %$storehash) { |
| |
if ($_ =~ m/^([^\:]+):([^\:]+):([^\:]+)$/) { |
| |
my $key = $1.':keys:'.$2; |
| |
$allitems{$key} .= $3.':'; |
| |
} |
| |
$items.=$_.'='.&escape($$storehash{$_}).'&'; |
| |
} |
| |
foreach (keys %allitems) { |
| |
$allitems{$_} =~ s/\:$//; |
| |
$items.= $_.'='.$allitems{$_}.'&'; |
| |
} |
| |
$items=~s/\&$//; |
| |
return &reply("put:$udomain:$uname:$namespace:$items",$uhome); |
| |
} |
| |
|
| |
# ------------------------------------------------------ critical put interface |
| |
|
| |
sub cput { |
| |
my ($namespace,$storehash,$udomain,$uname)=@_; |
| |
if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
| |
if (!$uname) { $uname=$ENV{'user.name'}; } |
| |
my $uhome=&homeserver($uname,$udomain); |
| my $items=''; |
my $items=''; |
| map { |
foreach (keys %$storehash) { |
| $items.=escape($_).'='.escape($storehash{$_}).'&'; |
$items.=escape($_).'='.escape($$storehash{$_}).'&'; |
| } keys %storehash; |
} |
| $items=~s/\&$//; |
$items=~s/\&$//; |
| return reply("put:$ENV{'user.domain'}:$ENV{'user.name'}:$namespace:$items", |
return &critical("put:$udomain:$uname:$namespace:$items",$uhome); |
| $ENV{'user.home'}); |
|
| } |
} |
| |
|
| # -------------------------------------------------------------- eget interface |
# -------------------------------------------------------------- eget interface |
| |
|
| sub eget { |
sub eget { |
| my ($namespace,@storearr)=@_; |
my ($namespace,$storearr,$udomain,$uname)=@_; |
| my $items=''; |
my $items=''; |
| map { |
foreach (@$storearr) { |
| $items.=escape($_).'&'; |
$items.=escape($_).'&'; |
| } @storearr; |
} |
| $items=~s/\&$//; |
$items=~s/\&$//; |
| my $rep=reply("eget:$ENV{'user.domain'}:$ENV{'user.name'}:$namespace:$items", |
if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
| $ENV{'user.home'}); |
if (!$uname) { $uname=$ENV{'user.name'}; } |
| |
my $uhome=&homeserver($uname,$udomain); |
| |
my $rep=&reply("eget:$udomain:$uname:$namespace:$items",$uhome); |
| my @pairs=split(/\&/,$rep); |
my @pairs=split(/\&/,$rep); |
| my %returnhash=(); |
my %returnhash=(); |
| map { |
my $i=0; |
| my ($key,$value)=split(/=/,$_); |
foreach (@$storearr) { |
| $returnhash{unespace($key)}=unescape($value); |
$returnhash{$_}=unescape($pairs[$i]); |
| } @pairs; |
$i++; |
| |
} |
| return %returnhash; |
return %returnhash; |
| } |
} |
| |
|
| # ------------------------------------------------- Check for a user priviledge |
# ---------------------------------------------- Custom access rule evaluation |
| |
|
| |
sub customaccess { |
| |
my ($priv,$uri)=@_; |
| |
my ($urole,$urealm)=split(/\./,$ENV{'request.role'}); |
| |
$urealm=~s/^\W//; |
| |
my ($udom,$ucrs,$usec)=split(/\//,$urealm); |
| |
my $access=0; |
| |
foreach (split(/\s*\,\s*/,&metadata($uri,'rule_rights'))) { |
| |
my ($effect,$realm,$role)=split(/\:/,$_); |
| |
if ($role) { |
| |
if ($role ne $urole) { next; } |
| |
} |
| |
foreach (split(/\s*\,\s*/,$realm)) { |
| |
my ($tdom,$tcrs,$tsec)=split(/\_/,$_); |
| |
if ($tdom) { |
| |
if ($tdom ne $udom) { next; } |
| |
} |
| |
if ($tcrs) { |
| |
if ($tcrs ne $ucrs) { next; } |
| |
} |
| |
if ($tsec) { |
| |
if ($tsec ne $usec) { next; } |
| |
} |
| |
$access=($effect eq 'allow'); |
| |
last; |
| |
} |
| |
if ($realm eq '' && $role eq '') { |
| |
$access=($effect eq 'allow'); |
| |
} |
| |
} |
| |
return $access; |
| |
} |
| |
|
| |
# ------------------------------------------------- Check for a user privilege |
| |
|
| sub allowed { |
sub allowed { |
| my ($priv,$uri)=@_; |
my ($priv,$uri)=@_; |
| $uri=~s/^\/res//; |
$uri=&deversion($uri); |
| $uri=~s/^\///; |
my $orguri=$uri; |
| if ($uri=~/^adm\//) { |
$uri=&declutter($uri); |
| |
|
| |
|
| |
|
| |
if (defined($ENV{'allowed.'.$priv})) { return $ENV{'allowed.'.$priv}; } |
| |
# Free bre access to adm and meta resources |
| |
if (((($uri=~/^adm\//) && ($uri !~ m|/bulletinboard$|)) |
| |
|| ($uri=~/\.meta$/)) && ($priv eq 'bre')) { |
| return 'F'; |
return 'F'; |
| } |
} |
| |
|
| |
# Free bre access to user's own portfolio contents |
| |
my ($space,$domain,$name,$dir)=split('/',$uri); |
| |
if (('uploaded' eq $space) && ($ENV{'user.name'} eq $name) && |
| |
($ENV{'user.domain'} eq $domain) && ('portfolio' eq $dir)) { |
| |
return 'F'; |
| |
} |
| |
|
| |
# Free bre to public access |
| |
|
| |
if ($priv eq 'bre') { |
| |
my $copyright=&metadata($uri,'copyright'); |
| |
if (($copyright eq 'public') && (!$ENV{'request.course.id'})) { |
| |
return 'F'; |
| |
} |
| |
if ($copyright eq 'priv') { |
| |
$uri=~/([^\/]+)\/([^\/]+)\//; |
| |
unless (($ENV{'user.name'} eq $2) && ($ENV{'user.domain'} eq $1)) { |
| |
return ''; |
| |
} |
| |
} |
| |
if ($copyright eq 'domain') { |
| |
$uri=~/([^\/]+)\/([^\/]+)\//; |
| |
unless (($ENV{'user.domain'} eq $1) || |
| |
($ENV{'course.'.$ENV{'request.course.id'}.'.domain'} eq $1)) { |
| |
return ''; |
| |
} |
| |
} |
| |
if ($ENV{'request.role'}=~ /li\.\//) { |
| |
# Library role, so allow browsing of resources in this domain. |
| |
return 'F'; |
| |
} |
| |
if ($copyright eq 'custom') { |
| |
unless (&customaccess($priv,$uri)) { return ''; } |
| |
} |
| |
} |
| |
# Domain coordinator is trying to create a course |
| |
if (($priv eq 'ccc') && ($ENV{'request.role'} =~ /^dc\./)) { |
| |
# uri is the requested domain in this case. |
| |
# comparison to 'request.role.domain' shows if the user has selected |
| |
# a role of dc for the domain in question. |
| |
return 'F' if ($uri eq $ENV{'request.role.domain'}); |
| |
} |
| |
|
| my $thisallowed=''; |
my $thisallowed=''; |
| if ($ENV{'user.priv./'}=~/$priv\&([^\:]*)/) { |
my $statecond=0; |
| |
my $courseprivid=''; |
| |
|
| |
# Course |
| |
|
| |
if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'}=~/\Q$priv\E\&([^\:]*)/) { |
| $thisallowed.=$1; |
$thisallowed.=$1; |
| } |
} |
| if ($ENV{'user.priv./'.(split(/\//,$uri))[0].'/'}=~/$priv\&([^\:]*)/) { |
|
| |
# Domain |
| |
|
| |
if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'.(split(/\//,$uri))[0].'/'} |
| |
=~/\Q$priv\E\&([^\:]*)/) { |
| $thisallowed.=$1; |
$thisallowed.=$1; |
| } |
} |
| if ($ENV{'user.priv./'.$uri}=~/$priv\&([^\:]*)/) { |
|
| |
# Course: uri itself is a course |
| |
my $courseuri=$uri; |
| |
$courseuri=~s/\_(\d)/\/$1/; |
| |
$courseuri=~s/^([^\/])/\/$1/; |
| |
|
| |
if ($ENV{'user.priv.'.$ENV{'request.role'}.'.'.$courseuri} |
| |
=~/\Q$priv\E\&([^\:]*)/) { |
| $thisallowed.=$1; |
$thisallowed.=$1; |
| } |
} |
| return $thisallowed; |
|
| |
# URI is an uploaded document for this course |
| |
|
| |
if (($priv eq 'bre') && ($uri=~m|^uploaded/|)) { |
| |
my $refuri=$ENV{'httpref.'.$orguri}; |
| |
if ($refuri) { |
| |
if ($refuri =~ m|^/adm/|) { |
| |
$thisallowed='F'; |
| |
} |
| |
} |
| |
} |
| |
|
| |
# Full access at system, domain or course-wide level? Exit. |
| |
|
| |
if ($thisallowed=~/F/) { |
| |
return 'F'; |
| |
} |
| |
|
| |
# If this is generating or modifying users, exit with special codes |
| |
|
| |
if (':csu:cdc:ccc:cin:cta:cep:ccr:cst:cad:cli:cau:cdg:cca:'=~/\:\Q$priv\E\:/) { |
| |
return $thisallowed; |
| |
} |
| |
# |
| |
# Gathered so far: system, domain and course wide privileges |
| |
# |
| |
# Course: See if uri or referer is an individual resource that is part of |
| |
# the course |
| |
|
| |
if ($ENV{'request.course.id'}) { |
| |
|
| |
$courseprivid=$ENV{'request.course.id'}; |
| |
if ($ENV{'request.course.sec'}) { |
| |
$courseprivid.='/'.$ENV{'request.course.sec'}; |
| |
} |
| |
$courseprivid=~s/\_/\//; |
| |
my $checkreferer=1; |
| |
my ($match,$cond)=&is_on_map($uri); |
| |
if ($match) { |
| |
$statecond=$cond; |
| |
if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'.$courseprivid} |
| |
=~/\Q$priv\E\&([^\:]*)/) { |
| |
$thisallowed.=$1; |
| |
$checkreferer=0; |
| |
} |
| |
} |
| |
|
| |
if ($checkreferer) { |
| |
my $refuri=$ENV{'httpref.'.$orguri}; |
| |
unless ($refuri) { |
| |
foreach (keys %ENV) { |
| |
if ($_=~/^httpref\..*\*/) { |
| |
my $pattern=$_; |
| |
$pattern=~s/^httpref\.\/res\///; |
| |
$pattern=~s/\*/\[\^\/\]\+/g; |
| |
$pattern=~s/\//\\\//g; |
| |
if ($orguri=~/$pattern/) { |
| |
$refuri=$ENV{$_}; |
| |
} |
| |
} |
| |
} |
| |
} |
| |
|
| |
if ($refuri) { |
| |
$refuri=&declutter($refuri); |
| |
my ($match,$cond)=&is_on_map($refuri); |
| |
if ($match) { |
| |
my $refstatecond=$cond; |
| |
if ($ENV{'user.priv.'.$ENV{'request.role'}.'./'.$courseprivid} |
| |
=~/\Q$priv\E\&([^\:]*)/) { |
| |
$thisallowed.=$1; |
| |
$uri=$refuri; |
| |
$statecond=$refstatecond; |
| |
} |
| |
} |
| |
} |
| |
} |
| |
} |
| |
|
| |
# |
| |
# Gathered now: all privileges that could apply, and condition number |
| |
# |
| |
# |
| |
# Full or no access? |
| |
# |
| |
|
| |
if ($thisallowed=~/F/) { |
| |
return 'F'; |
| |
} |
| |
|
| |
unless ($thisallowed) { |
| |
return ''; |
| |
} |
| |
|
| |
# Restrictions exist, deal with them |
| |
# |
| |
# C:according to course preferences |
| |
# R:according to resource settings |
| |
# L:unless locked |
| |
# X:according to user session state |
| |
# |
| |
|
| |
# Possibly locked functionality, check all courses |
| |
# Locks might take effect only after 10 minutes cache expiration for other |
| |
# courses, and 2 minutes for current course |
| |
|
| |
my $envkey; |
| |
if ($thisallowed=~/L/) { |
| |
foreach $envkey (keys %ENV) { |
| |
if ($envkey=~/^user\.role\.(st|ta)\.([^\.]*)/) { |
| |
my $courseid=$2; |
| |
my $roleid=$1.'.'.$2; |
| |
$courseid=~s/^\///; |
| |
my $expiretime=600; |
| |
if ($ENV{'request.role'} eq $roleid) { |
| |
$expiretime=120; |
| |
} |
| |
my ($cdom,$cnum,$csec)=split(/\//,$courseid); |
| |
my $prefix='course.'.$cdom.'_'.$cnum.'.'; |
| |
if ((time-$ENV{$prefix.'last_cache'})>$expiretime) { |
| |
&coursedescription($courseid); |
| |
} |
| |
if (($ENV{$prefix.'res.'.$uri.'.lock.sections'}=~/\,\Q$csec\E\,/) |
| |
|| ($ENV{$prefix.'res.'.$uri.'.lock.sections'} eq 'all')) { |
| |
if ($ENV{$prefix.'res.'.$uri.'.lock.expire'}>time) { |
| |
&log($ENV{'user.domain'},$ENV{'user.name'}, |
| |
$ENV{'user.home'}, |
| |
'Locked by res: '.$priv.' for '.$uri.' due to '. |
| |
$cdom.'/'.$cnum.'/'.$csec.' expire '. |
| |
$ENV{$prefix.'priv.'.$priv.'.lock.expire'}); |
| |
return ''; |
| |
} |
| |
} |
| |
if (($ENV{$prefix.'priv.'.$priv.'.lock.sections'}=~/\,\Q$csec\E\,/) |
| |
|| ($ENV{$prefix.'priv.'.$priv.'.lock.sections'} eq 'all')) { |
| |
if ($ENV{'priv.'.$priv.'.lock.expire'}>time) { |
| |
&log($ENV{'user.domain'},$ENV{'user.name'}, |
| |
$ENV{'user.home'}, |
| |
'Locked by priv: '.$priv.' for '.$uri.' due to '. |
| |
$cdom.'/'.$cnum.'/'.$csec.' expire '. |
| |
$ENV{$prefix.'priv.'.$priv.'.lock.expire'}); |
| |
return ''; |
| |
} |
| |
} |
| |
} |
| |
} |
| |
} |
| |
|
| |
# |
| |
# Rest of the restrictions depend on selected course |
| |
# |
| |
|
| |
unless ($ENV{'request.course.id'}) { |
| |
return '1'; |
| |
} |
| |
|
| |
# |
| |
# Now user is definitely in a course |
| |
# |
| |
|
| |
|
| |
# Course preferences |
| |
|
| |
if ($thisallowed=~/C/) { |
| |
my $rolecode=(split(/\./,$ENV{'request.role'}))[0]; |
| |
my $unamedom=$ENV{'user.name'}.':'.$ENV{'user.domain'}; |
| |
if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$priv.'.roles.denied'} |
| |
=~/\Q$rolecode\E/) { |
| |
&log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'}, |
| |
'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '. |
| |
$ENV{'request.course.id'}); |
| |
return ''; |
| |
} |
| |
|
| |
if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$priv.'.users.denied'} |
| |
=~/\Q$unamedom\E/) { |
| |
&log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'}, |
| |
'Denied by user: '.$priv.' for '.$uri.' as '.$unamedom.' in '. |
| |
$ENV{'request.course.id'}); |
| |
return ''; |
| |
} |
| |
} |
| |
|
| |
# Resource preferences |
| |
|
| |
if ($thisallowed=~/R/) { |
| |
my $rolecode=(split(/\./,$ENV{'request.role'}))[0]; |
| |
if (&metadata($uri,'roledeny')=~/\Q$rolecode\E/) { |
| |
&log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'}, |
| |
'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode); |
| |
return ''; |
| |
} |
| |
} |
| |
|
| |
# Restricted by state or randomout? |
| |
|
| |
if ($thisallowed=~/X/) { |
| |
if ($ENV{'acc.randomout'}) { |
| |
my $symb=&symbread($uri,1); |
| |
if (($symb) && ($ENV{'acc.randomout'}=~/\&\Q$symb\E\&/)) { |
| |
return ''; |
| |
} |
| |
} |
| |
if (!defined($ENV{'user.state.'.$ENV{'request.course.id'}})) { |
| |
&Apache::lonuserstate::evalstate(); |
| |
} |
| |
if (&condval($statecond)) { |
| |
return '2'; |
| |
} else { |
| |
return ''; |
| |
} |
| |
} |
| |
|
| |
return 'F'; |
| |
} |
| |
|
| |
# --------------------------------------------------- Is a resource on the map? |
| |
|
| |
sub is_on_map { |
| |
my $uri=&declutter(shift); |
| |
$uri=~s/\.\d+\.(\w+)$/\.$1/; |
| |
my @uriparts=split(/\//,$uri); |
| |
my $filename=$uriparts[$#uriparts]; |
| |
my $pathname=$uri; |
| |
$pathname=~s|/\Q$filename\E$||; |
| |
$pathname=~s/^adm\/wrapper\///; |
| |
#Trying to find the conditional for the file |
| |
my $match=($ENV{'acc.res.'.$ENV{'request.course.id'}.'.'.$pathname}=~ |
| |
/\&\Q$filename\E\:([\d\|]+)\&/); |
| |
if ($match) { |
| |
return (1,$1); |
| |
} else { |
| |
return (0,0); |
| |
} |
| |
} |
| |
|
| |
# --------------------------------------------------------- Get symb from alias |
| |
|
| |
sub get_symb_from_alias { |
| |
my $symb=shift; |
| |
my ($map,$resid,$url)=&decode_symb($symb); |
| |
# Already is a symb |
| |
if ($url) { return $symb; } |
| |
# Must be an alias |
| |
my $aliassymb=''; |
| |
my %bighash; |
| |
if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', |
| |
&GDBM_READER(),0640)) { |
| |
my $rid=$bighash{'mapalias_'.$symb}; |
| |
if ($rid) { |
| |
my ($mapid,$resid)=split(/\./,$rid); |
| |
$aliassymb=&encode_symb($bighash{'map_id_'.$mapid}, |
| |
$resid,$bighash{'src_'.$rid}); |
| |
} |
| |
untie %bighash; |
| |
} |
| |
return $aliassymb; |
| } |
} |
| |
|
| # ----------------------------------------------------------------- Define Role |
# ----------------------------------------------------------------- Define Role |
|
Line 602 sub allowed {
|
Line 3119 sub allowed {
|
| sub definerole { |
sub definerole { |
| if (allowed('mcr','/')) { |
if (allowed('mcr','/')) { |
| my ($rolename,$sysrole,$domrole,$courole)=@_; |
my ($rolename,$sysrole,$domrole,$courole)=@_; |
| map { |
foreach (split(':',$sysrole)) { |
| my ($crole,$cqual)=split(/\&/,$_); |
my ($crole,$cqual)=split(/\&/,$_); |
| if ($pr{'cr:s'}!~/$crole/) { return "refused:s:$crole"; } |
if ($pr{'cr:s'}!~/\Q$crole\E/) { return "refused:s:$crole"; } |
| if ($pr{'cr:s'}=~/$crole\&/) { |
if ($pr{'cr:s'}=~/\Q$crole\E\&/) { |
| if ($pr{'cr:s'}!~/$crole\&\w*$cqual/) { |
if ($pr{'cr:s'}!~/\Q$crole\E\&\w*\Q$cqual\E/) { |
| return "refused:s:$crole&$cqual"; |
return "refused:s:$crole&$cqual"; |
| } |
} |
| } |
} |
| } split('/',$sysrole); |
} |
| map { |
foreach (split(':',$domrole)) { |
| my ($crole,$cqual)=split(/\&/,$_); |
my ($crole,$cqual)=split(/\&/,$_); |
| if ($pr{'cr:d'}!~/$crole/) { return "refused:d:$crole"; } |
if ($pr{'cr:d'}!~/\Q$crole\E/) { return "refused:d:$crole"; } |
| if ($pr{'cr:d'}=~/$crole\&/) { |
if ($pr{'cr:d'}=~/\Q$crole\E\&/) { |
| if ($pr{'cr:d'}!~/$crole\&\w*$cqual/) { |
if ($pr{'cr:d'}!~/\Q$crole\W\&\w*\Q$cqual\E/) { |
| return "refused:d:$crole&$cqual"; |
return "refused:d:$crole&$cqual"; |
| } |
} |
| } |
} |
| } split('/',$domrole); |
} |
| map { |
foreach (split(':',$courole)) { |
| my ($crole,$cqual)=split(/\&/,$_); |
my ($crole,$cqual)=split(/\&/,$_); |
| if ($pr{'cr:c'}!~/$crole/) { return "refused:c:$crole"; } |
if ($pr{'cr:c'}!~/\Q$crole\E/) { return "refused:c:$crole"; } |
| if ($pr{'cr:c'}=~/$crole\&/) { |
if ($pr{'cr:c'}=~/\Q$crole\E\&/) { |
| if ($pr{'cr:c'}!~/$crole\&\w*$cqual/) { |
if ($pr{'cr:c'}!~/\Q$crole\E\&\w*\Q$cqual\E/) { |
| return "refused:c:$crole&$cqual"; |
return "refused:c:$crole&$cqual"; |
| } |
} |
| } |
} |
| } split('/',$courole); |
} |
| my $command="encrypt:rolesput:$ENV{'user.domain'}:$ENV{'user.name'}:". |
my $command="encrypt:rolesput:$ENV{'user.domain'}:$ENV{'user.name'}:". |
| "$ENV{'user.domain'}:$ENV{'user.name'}:". |
"$ENV{'user.domain'}:$ENV{'user.name'}:". |
| "rolesdef_$rolename=". |
"rolesdef_$rolename=". |
|
Line 639 sub definerole {
|
Line 3156 sub definerole {
|
| } |
} |
| } |
} |
| |
|
| # ------------------------------------------------------------------ Plain Text |
# ---------------- Make a metadata query against the network of library servers |
| |
|
| sub plaintext { |
sub metadata_query { |
| my $short=shift; |
my ($query,$custom,$customshow,$server_array)=@_; |
| return $prp{$short}; |
my %rhash; |
| |
my @server_list = (defined($server_array) ? @$server_array |
| |
: keys(%libserv) ); |
| |
for my $server (@server_list) { |
| |
unless ($custom or $customshow) { |
| |
my $reply=&reply("querysend:".&escape($query),$server); |
| |
$rhash{$server}=$reply; |
| |
} |
| |
else { |
| |
my $reply=&reply("querysend:".&escape($query).':'. |
| |
&escape($custom).':'.&escape($customshow), |
| |
$server); |
| |
$rhash{$server}=$reply; |
| |
} |
| |
} |
| |
return \%rhash; |
| } |
} |
| |
|
| # ------------------------------------------------------------------ Plain Text |
# ----------------------------------------- Send log queries and wait for reply |
| |
|
| sub fileembstyle { |
sub log_query { |
| my $ending=shift; |
my ($uname,$udom,$query,%filters)=@_; |
| return $fe{$ending}; |
my $uhome=&homeserver($uname,$udom); |
| |
if ($uhome eq 'no_host') { return 'error: no_host'; } |
| |
my $uhost=$hostname{$uhome}; |
| |
my $command=&escape(join(':',map{$_.'='.$filters{$_}} keys %filters)); |
| |
my $queryid=&reply("querysend:".$query.':'.$udom.':'.$uname.':'.$command, |
| |
$uhome); |
| |
unless ($queryid=~/^\Q$uhost\E\_/) { return 'error: '.$queryid; } |
| |
return get_query_reply($queryid); |
| |
} |
| |
|
| |
# ------- Request retrieval of institutional classlists for course(s) |
| |
|
| |
sub fetch_enrollment_query { |
| |
my ($context,$affiliatesref,$replyref,$dom,$cnum) = @_; |
| |
my $homeserver; |
| |
my $maxtries = 1; |
| |
if ($context eq 'automated') { |
| |
$homeserver = $perlvar{'lonHostID'}; |
| |
$maxtries = 10; # will wait for up to 2000s for retrieval of classlist data before timeout |
| |
} else { |
| |
$homeserver = &homeserver($cnum,$dom); |
| |
} |
| |
my $host=$hostname{$homeserver}; |
| |
my $cmd = ''; |
| |
foreach (keys %{$affiliatesref}) { |
| |
$cmd .= $_.'='.join(",",@{$$affiliatesref{$_}}).'%%'; |
| |
} |
| |
$cmd =~ s/%%$//; |
| |
$cmd = &escape($cmd); |
| |
my $query = 'fetchenrollment'; |
| |
my $queryid=&reply("querysend:".$query.':'.$dom.':'.$ENV{'user.name'}.':'.$cmd,$homeserver); |
| |
unless ($queryid=~/^\Q$host\E\_/) { |
| |
&logthis('fetch_enrollment_query: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' context: '.$context.' '.$cnum); |
| |
return 'error: '.$queryid; |
| |
} |
| |
my $reply = &get_query_reply($queryid); |
| |
my $tries = 1; |
| |
while (($reply=~/^timeout/) && ($tries < $maxtries)) { |
| |
$reply = &get_query_reply($queryid); |
| |
$tries ++; |
| |
} |
| |
if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) { |
| |
&logthis('fetch_enrollment_query error: '.$reply.' for '.$dom.' '.$ENV{'user.name'}.' for '.$queryid.' context: '.$context.' '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries); |
| |
} else { |
| |
my @responses = split/:/,$reply; |
| |
if ($homeserver eq $perlvar{'lonHostID'}) { |
| |
foreach (@responses) { |
| |
my ($key,$value) = split/=/,$_; |
| |
$$replyref{$key} = $value; |
| |
} |
| |
} else { |
| |
my $pathname = $perlvar{'lonDaemons'}.'/tmp'; |
| |
foreach (@responses) { |
| |
my ($key,$value) = split/=/,$_; |
| |
$$replyref{$key} = $value; |
| |
if ($value > 0) { |
| |
foreach (@{$$affiliatesref{$key}}) { |
| |
my $filename = $dom.'_'.$key.'_'.$_.'_classlist.xml'; |
| |
my $destname = $pathname.'/'.$filename; |
| |
my $xml_classlist = &reply("autoretrieve:".$filename,$homeserver); |
| |
if ($xml_classlist =~ /^error/) { |
| |
&logthis('fetch_enrollment_query - autoretrieve error: '.$xml_classlist.' for '.$filename.' from server: '.$homeserver.' '.$context.' '.$cnum); |
| |
} else { |
| |
if ( open(FILE,">$destname") ) { |
| |
print FILE &unescape($xml_classlist); |
| |
close(FILE); |
| |
} else { |
| |
&logthis('fetch_enrollment_query - error opening classlist file '.$destname.' '.$context.' '.$cnum); |
| |
} |
| |
} |
| |
} |
| |
} |
| |
} |
| |
} |
| |
return 'ok'; |
| |
} |
| |
return 'error'; |
| } |
} |
| |
|
| # ------------------------------------------------------------ Description Text |
sub get_query_reply { |
| |
my $queryid=shift; |
| |
my $replyfile=$perlvar{'lonDaemons'}.'/tmp/'.$queryid; |
| |
my $reply=''; |
| |
for (1..100) { |
| |
sleep 2; |
| |
if (-e $replyfile.'.end') { |
| |
if (open(my $fh,$replyfile)) { |
| |
$reply.=<$fh>; |
| |
close($fh); |
| |
} else { return 'error: reply_file_error'; } |
| |
return &unescape($reply); |
| |
} |
| |
} |
| |
return 'timeout:'.$queryid; |
| |
} |
| |
|
| sub filedecription { |
sub courselog_query { |
| my $ending=shift; |
# |
| return $fd{$ending}; |
# possible filters: |
| |
# url: url or symb |
| |
# username |
| |
# domain |
| |
# action: view, submit, grade |
| |
# start: timestamp |
| |
# end: timestamp |
| |
# |
| |
my (%filters)=@_; |
| |
unless ($ENV{'request.course.id'}) { return 'no_course'; } |
| |
if ($filters{'url'}) { |
| |
$filters{'url'}=&symbclean(&declutter($filters{'url'})); |
| |
$filters{'url'}=~s/\.(\w+)$/(\\.\\d+)*\\.$1/; |
| |
$filters{'url'}=~s/\.(\w+)\_\_\_/(\\.\\d+)*\\.$1/; |
| |
} |
| |
my $cname=$ENV{'course.'.$ENV{'request.course.id'}.'.num'}; |
| |
my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; |
| |
return &log_query($cname,$cdom,'courselog',%filters); |
| |
} |
| |
|
| |
sub userlog_query { |
| |
my ($uname,$udom,%filters)=@_; |
| |
return &log_query($uname,$udom,'userlog',%filters); |
| |
} |
| |
|
| |
#--------- Call auto-enrollment subs in localenroll.pm for homeserver for course |
| |
|
| |
sub auto_run { |
| |
my ($cnum,$cdom) = @_; |
| |
my $homeserver = &homeserver($cnum,$cdom); |
| |
my $response = &reply('autorun:'.$cdom,$homeserver); |
| |
return $response; |
| |
} |
| |
|
| |
sub auto_get_sections { |
| |
my ($cnum,$cdom,$inst_coursecode) = @_; |
| |
my $homeserver = &homeserver($cnum,$cdom); |
| |
my @secs = (); |
| |
my $response=&unescape(&reply('autogetsections:'.$inst_coursecode.':'.$cdom,$homeserver)); |
| |
unless ($response eq 'refused') { |
| |
@secs = split/:/,$response; |
| |
} |
| |
return @secs; |
| |
} |
| |
|
| |
sub auto_new_course { |
| |
my ($cnum,$cdom,$inst_course_id,$owner) = @_; |
| |
my $homeserver = &homeserver($cnum,$cdom); |
| |
my $response=&unescape(&reply('autonewcourse:'.$inst_course_id.':'.$owner.':'.$cdom,$homeserver)); |
| |
return $response; |
| |
} |
| |
|
| |
sub auto_validate_courseID { |
| |
my ($cnum,$cdom,$inst_course_id) = @_; |
| |
my $homeserver = &homeserver($cnum,$cdom); |
| |
my $response=&unescape(&reply('autovalidatecourse:'.$inst_course_id.':'.$cdom,$homeserver)); |
| |
return $response; |
| |
} |
| |
|
| |
sub auto_create_password { |
| |
my ($cnum,$cdom,$authparam) = @_; |
| |
my $homeserver = &homeserver($cnum,$cdom); |
| |
my $create_passwd = 0; |
| |
my $authchk = ''; |
| |
my $response=&unescape(&reply('autocreatepassword:'.$authparam.':'.$cdom,$homeserver)); |
| |
if ($response eq 'refused') { |
| |
$authchk = 'refused'; |
| |
} else { |
| |
($authparam,$create_passwd,$authchk) = split/:/,$response; |
| |
} |
| |
return ($authparam,$create_passwd,$authchk); |
| |
} |
| |
|
| |
sub auto_instcode_format { |
| |
my ($caller,$codedom,$instcodes,$codes,$codetitles,$cat_titles,$cat_order) = @_; |
| |
my $courses = ''; |
| |
my $homeserver; |
| |
if ($caller eq 'global') { |
| |
$homeserver = $perlvar{'lonHostID'}; |
| |
} else { |
| |
$homeserver = &homeserver($caller,$codedom); |
| |
} |
| |
my $host=$hostname{$homeserver}; |
| |
foreach (keys %{$instcodes}) { |
| |
$courses .= &escape($_).'='.&escape($$instcodes{$_}).'&'; |
| |
} |
| |
chop($courses); |
| |
my $response=&reply('autoinstcodeformat:'.$codedom.':'.$courses,$homeserver); |
| |
unless ($response =~ /(con_lost|error|no_such_host|refused)/) { |
| |
my ($codes_str,$codetitles_str,$cat_titles_str,$cat_order_str) = split/:/,$response; |
| |
%{$codes} = &str2hash($codes_str); |
| |
@{$codetitles} = &str2array($codetitles_str); |
| |
%{$cat_titles} = &str2hash($cat_titles_str); |
| |
%{$cat_order} = &str2hash($cat_order_str); |
| |
return 'ok'; |
| |
} |
| |
return $response; |
| |
} |
| |
|
| |
# ------------------------------------------------------------------ Plain Text |
| |
|
| |
sub plaintext { |
| |
my $short=shift; |
| |
return &mt($prp{$short}); |
| } |
} |
| |
|
| # ----------------------------------------------------------------- Assign Role |
# ----------------------------------------------------------------- Assign Role |
| |
|
| sub assignrole { |
sub assignrole { |
| my ($udom,$uname,$url,$role,$end,$start)=@_; |
my ($udom,$uname,$url,$role,$end,$start,$deleteflag)=@_; |
| my $mrole; |
my $mrole; |
| if ($role =~ /^cr\//) { |
if ($role =~ /^cr\//) { |
| unless ($url=~/\.course$/) { return 'invalid'; } |
my $cwosec=$url; |
| unless (allowed('ccr',$url)) { return 'refused'; } |
$cwosec=~s/^\/(\w+)\/(\w+)\/.*/$1\/$2/; |
| |
unless (&allowed('ccr',$cwosec)) { |
| |
&logthis('Refused custom assignrole: '. |
| |
$udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '. |
| |
$ENV{'user.name'}.' at '.$ENV{'user.domain'}); |
| |
return 'refused'; |
| |
} |
| $mrole='cr'; |
$mrole='cr'; |
| } else { |
} else { |
| unless (($url=~/\.course$/) || ($url=~/\/$/)) { return 'invalid'; } |
my $cwosec=$url; |
| unless (allowed('c'+$role)) { return 'refused'; } |
$cwosec=~s/^\/(\w+)\/(\w+)\/.*/$1\/$2/; |
| |
unless ((&allowed('c'.$role,$cwosec)) || &allowed('c'.$role,$udom)) { |
| |
&logthis('Refused assignrole: '. |
| |
$udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '. |
| |
$ENV{'user.name'}.' at '.$ENV{'user.domain'}); |
| |
return 'refused'; |
| |
} |
| $mrole=$role; |
$mrole=$role; |
| } |
} |
| my $command="encrypt:rolesput:$ENV{'user.domain'}:$ENV{'user.name'}:". |
my $command="encrypt:rolesput:$ENV{'user.domain'}:$ENV{'user.name'}:". |
| "$udom:$uname:$url".'_'."$mrole=$role"; |
"$udom:$uname:$url".'_'."$mrole=$role"; |
| if ($end) { $command.='_$end'; } |
if ($end) { $command.='_'.$end; } |
| if ($start) { |
if ($start) { |
| if ($end) { |
if ($end) { |
| $command.='_$start'; |
$command.='_'.$start; |
| } else { |
} else { |
| $command.='_0_$start'; |
$command.='_0_'.$start; |
| } |
} |
| } |
} |
| return &reply($command,&homeserver($uname,$udom)); |
# actually delete |
| |
if ($deleteflag) { |
| |
if ((&allowed('dro',$udom)) || (&allowed('dro',$url))) { |
| |
# modify command to delete the role |
| |
$command="encrypt:rolesdel:$ENV{'user.domain'}:$ENV{'user.name'}:". |
| |
"$udom:$uname:$url".'_'."$mrole"; |
| |
&logthis("$ENV{'user.name'} at $ENV{'user.domain'} deletes $mrole in $url for $uname at $udom"); |
| |
# set start and finish to negative values for userrolelog |
| |
$start=-1; |
| |
$end=-1; |
| |
} |
| |
} |
| |
# send command |
| |
my $answer=&reply($command,&homeserver($uname,$udom)); |
| |
# log new user role if status is ok |
| |
if ($answer eq 'ok') { |
| |
&userrolelog($mrole,$uname,$udom,$url,$start,$end); |
| |
} |
| |
return $answer; |
| |
} |
| |
|
| |
# -------------------------------------------------- Modify user authentication |
| |
# Overrides without validation |
| |
|
| |
sub modifyuserauth { |
| |
my ($udom,$uname,$umode,$upass)=@_; |
| |
my $uhome=&homeserver($uname,$udom); |
| |
unless (&allowed('mau',$udom)) { return 'refused'; } |
| |
&logthis('Call to modify user authentication '.$udom.', '.$uname.', '. |
| |
$umode.' by '.$ENV{'user.name'}.' at '.$ENV{'user.domain'}. |
| |
' in domain '.$ENV{'request.role.domain'}); |
| |
my $reply=&reply('encrypt:changeuserauth:'.$udom.':'.$uname.':'.$umode.':'. |
| |
&escape($upass),$uhome); |
| |
&log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.home'}, |
| |
'Authentication changed for '.$udom.', '.$uname.', '.$umode. |
| |
'(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply); |
| |
&log($udom,,$uname,$uhome, |
| |
'Authentication changed by '.$ENV{'user.domain'}.', '. |
| |
$ENV{'user.name'}.', '.$umode. |
| |
'(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply); |
| |
unless ($reply eq 'ok') { |
| |
&logthis('Authentication mode error: '.$reply); |
| |
return 'error: '.$reply; |
| |
} |
| |
return 'ok'; |
| |
} |
| |
|
| |
# --------------------------------------------------------------- Modify a user |
| |
|
| |
sub modifyuser { |
| |
my ($udom, $uname, $uid, |
| |
$umode, $upass, $first, |
| |
$middle, $last, $gene, |
| |
$forceid, $desiredhome, $email)=@_; |
| |
$udom=~s/\W//g; |
| |
$uname=~s/\W//g; |
| |
&logthis('Call to modify user '.$udom.', '.$uname.', '.$uid.', '. |
| |
$umode.', '.$first.', '.$middle.', '. |
| |
$last.', '.$gene.'(forceid: '.$forceid.')'. |
| |
(defined($desiredhome) ? ' desiredhome = '.$desiredhome : |
| |
' desiredhome not specified'). |
| |
' by '.$ENV{'user.name'}.' at '.$ENV{'user.domain'}. |
| |
' in domain '.$ENV{'request.role.domain'}); |
| |
my $uhome=&homeserver($uname,$udom,'true'); |
| |
# ----------------------------------------------------------------- Create User |
| |
if (($uhome eq 'no_host') && |
| |
(($umode && $upass) || ($umode eq 'localauth'))) { |
| |
my $unhome=''; |
| |
if (defined($desiredhome) && $hostdom{$desiredhome} eq $udom) { |
| |
$unhome = $desiredhome; |
| |
} elsif($ENV{'course.'.$ENV{'request.course.id'}.'.domain'} eq $udom) { |
| |
$unhome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'}; |
| |
} else { # load balancing routine for determining $unhome |
| |
my $tryserver; |
| |
my $loadm=10000000; |
| |
foreach $tryserver (keys %libserv) { |
| |
if ($hostdom{$tryserver} eq $udom) { |
| |
my $answer=reply('load',$tryserver); |
| |
if (($answer=~/\d+/) && ($answer<$loadm)) { |
| |
$loadm=$answer; |
| |
$unhome=$tryserver; |
| |
} |
| |
} |
| |
} |
| |
} |
| |
if (($unhome eq '') || ($unhome eq 'no_host')) { |
| |
return 'error: unable to find a home server for '.$uname. |
| |
' in domain '.$udom; |
| |
} |
| |
my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':'.$umode.':'. |
| |
&escape($upass),$unhome); |
| |
unless ($reply eq 'ok') { |
| |
return 'error: '.$reply; |
| |
} |
| |
$uhome=&homeserver($uname,$udom,'true'); |
| |
if (($uhome eq '') || ($uhome eq 'no_host') || ($uhome ne $unhome)) { |
| |
return 'error: unable verify users home machine.'; |
| |
} |
| |
} # End of creation of new user |
| |
# ---------------------------------------------------------------------- Add ID |
| |
if ($uid) { |
| |
$uid=~tr/A-Z/a-z/; |
| |
my %uidhash=&idrget($udom,$uname); |
| |
if (($uidhash{$uname}) && ($uidhash{$uname}!~/error\:/) |
| |
&& (!$forceid)) { |
| |
unless ($uid eq $uidhash{$uname}) { |
| |
return 'error: user id "'.$uid.'" does not match '. |
| |
'current user id "'.$uidhash{$uname}.'".'; |
| |
} |
| |
} else { |
| |
&idput($udom,($uname => $uid)); |
| |
} |
| |
} |
| |
# -------------------------------------------------------------- Add names, etc |
| |
my @tmp=&get('environment', |
| |
['firstname','middlename','lastname','generation'], |
| |
$udom,$uname); |
| |
my %names; |
| |
if ($tmp[0] =~ m/^error:.*/) { |
| |
%names=(); |
| |
} else { |
| |
%names = @tmp; |
| |
} |
| |
# |
| |
# Make sure to not trash student environment if instructor does not bother |
| |
# to supply name and email information |
| |
# |
| |
if ($first) { $names{'firstname'} = $first; } |
| |
if (defined($middle)) { $names{'middlename'} = $middle; } |
| |
if ($last) { $names{'lastname'} = $last; } |
| |
if (defined($gene)) { $names{'generation'} = $gene; } |
| |
if ($email) { $names{'notification'} = $email; |
| |
$names{'critnotification'} = $email; } |
| |
|
| |
my $reply = &put('environment', \%names, $udom,$uname); |
| |
if ($reply ne 'ok') { return 'error: '.$reply; } |
| |
&logthis('Success modifying user '.$udom.', '.$uname.', '.$uid.', '. |
| |
$umode.', '.$first.', '.$middle.', '. |
| |
$last.', '.$gene.' by '. |
| |
$ENV{'user.name'}.' at '.$ENV{'user.domain'}); |
| |
return 'ok'; |
| |
} |
| |
|
| |
# -------------------------------------------------------------- Modify student |
| |
|
| |
sub modifystudent { |
| |
my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec, |
| |
$end,$start,$forceid,$desiredhome,$email,$type,$locktype,$cid)=@_; |
| |
if (!$cid) { |
| |
unless ($cid=$ENV{'request.course.id'}) { |
| |
return 'not_in_class'; |
| |
} |
| |
} |
| |
# --------------------------------------------------------------- Make the user |
| |
my $reply=&modifyuser |
| |
($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$forceid, |
| |
$desiredhome,$email); |
| |
unless ($reply eq 'ok') { return $reply; } |
| |
# This will cause &modify_student_enrollment to get the uid from the |
| |
# students environment |
| |
$uid = undef if (!$forceid); |
| |
$reply = &modify_student_enrollment($udom,$uname,$uid,$first,$middle,$last, |
| |
$gene,$usec,$end,$start,$type,$locktype,$cid); |
| |
return $reply; |
| |
} |
| |
|
| |
sub modify_student_enrollment { |
| |
my ($udom,$uname,$uid,$first,$middle,$last,$gene,$usec,$end,$start,$type,$locktype,$cid) = @_; |
| |
my ($cdom,$cnum,$chome); |
| |
if (!$cid) { |
| |
unless ($cid=$ENV{'request.course.id'}) { |
| |
return 'not_in_class'; |
| |
} |
| |
$cdom=$ENV{'course.'.$cid.'.domain'}; |
| |
$cnum=$ENV{'course.'.$cid.'.num'}; |
| |
} else { |
| |
($cdom,$cnum)=split(/_/,$cid); |
| |
} |
| |
$chome=$ENV{'course.'.$cid.'.home'}; |
| |
if (!$chome) { |
| |
$chome=&homeserver($cnum,$cdom); |
| |
} |
| |
if (!$chome) { return 'unknown_course'; } |
| |
# Make sure the user exists |
| |
my $uhome=&homeserver($uname,$udom); |
| |
if (($uhome eq '') || ($uhome eq 'no_host')) { |
| |
return 'error: no such user'; |
| |
} |
| |
# Get student data if we were not given enough information |
| |
if (!defined($first) || $first eq '' || |
| |
!defined($last) || $last eq '' || |
| |
!defined($uid) || $uid eq '' || |
| |
!defined($middle) || $middle eq '' || |
| |
!defined($gene) || $gene eq '') { |
| |
# They did not supply us with enough data to enroll the student, so |
| |
# we need to pick up more information. |
| |
my %tmp = &get('environment', |
| |
['firstname','middlename','lastname', 'generation','id'] |
| |
,$udom,$uname); |
| |
|
| |
#foreach (keys(%tmp)) { |
| |
# &logthis("key $_ = ".$tmp{$_}); |
| |
#} |
| |
$first = $tmp{'firstname'} if (!defined($first) || $first eq ''); |
| |
$middle = $tmp{'middlename'} if (!defined($middle) || $middle eq ''); |
| |
$last = $tmp{'lastname'} if (!defined($last) || $last eq ''); |
| |
$gene = $tmp{'generation'} if (!defined($gene) || $gene eq ''); |
| |
$uid = $tmp{'id'} if (!defined($uid) || $uid eq ''); |
| |
} |
| |
my $fullname = &Apache::loncoursedata::ProcessFullName($last,$gene, |
| |
$first,$middle); |
| |
my $reply=cput('classlist', |
| |
{"$uname:$udom" => |
| |
join(':',$end,$start,$uid,$usec,$fullname,$type,$locktype) }, |
| |
$cdom,$cnum); |
| |
unless (($reply eq 'ok') || ($reply eq 'delayed')) { |
| |
return 'error: '.$reply; |
| |
} |
| |
# Add student role to user |
| |
my $uurl='/'.$cid; |
| |
$uurl=~s/\_/\//g; |
| |
if ($usec) { |
| |
$uurl.='/'.$usec; |
| |
} |
| |
return &assignrole($udom,$uname,$uurl,'st',$end,$start); |
| |
} |
| |
|
| |
# ------------------------------------------------- Write to course preferences |
| |
|
| |
sub writecoursepref { |
| |
my ($courseid,%prefs)=@_; |
| |
$courseid=~s/^\///; |
| |
$courseid=~s/\_/\//g; |
| |
my ($cdomain,$cnum)=split(/\//,$courseid); |
| |
my $chome=homeserver($cnum,$cdomain); |
| |
if (($chome eq '') || ($chome eq 'no_host')) { |
| |
return 'error: no such course'; |
| |
} |
| |
my $cstring=''; |
| |
foreach (keys %prefs) { |
| |
$cstring.=escape($_).'='.escape($prefs{$_}).'&'; |
| |
} |
| |
$cstring=~s/\&$//; |
| |
return reply('put:'.$cdomain.':'.$cnum.':environment:'.$cstring,$chome); |
| |
} |
| |
|
| |
# ---------------------------------------------------------- Make/modify course |
| |
|
| |
sub createcourse { |
| |
my ($udom,$description,$url,$course_server,$nonstandard,$inst_code)=@_; |
| |
$url=&declutter($url); |
| |
my $cid=''; |
| |
unless (&allowed('ccc',$udom)) { |
| |
return 'refused'; |
| |
} |
| |
# ------------------------------------------------------------------- Create ID |
| |
my $uname=substr($$.time,0,5).unpack("H8",pack("I32",time)). |
| |
unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'}; |
| |
# ----------------------------------------------- Make sure that does not exist |
| |
my $uhome=&homeserver($uname,$udom,'true'); |
| |
unless (($uhome eq '') || ($uhome eq 'no_host')) { |
| |
$uname=substr($$.time,0,5).unpack("H8",pack("I32",time)). |
| |
unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'}; |
| |
$uhome=&homeserver($uname,$udom,'true'); |
| |
unless (($uhome eq '') || ($uhome eq 'no_host')) { |
| |
return 'error: unable to generate unique course-ID'; |
| |
} |
| |
} |
| |
# ------------------------------------------------ Check supplied server name |
| |
$course_server = $ENV{'user.homeserver'} if (! defined($course_server)); |
| |
if (! exists($libserv{$course_server})) { |
| |
return 'error:bad server name '.$course_server; |
| |
} |
| |
# ------------------------------------------------------------- Make the course |
| |
my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::', |
| |
$course_server); |
| |
unless ($reply eq 'ok') { return 'error: '.$reply; } |
| |
$uhome=&homeserver($uname,$udom,'true'); |
| |
if (($uhome eq '') || ($uhome eq 'no_host')) { |
| |
return 'error: no such course'; |
| |
} |
| |
# ----------------------------------------------------------------- Course made |
| |
# log existence |
| |
&courseidput($udom,&escape($udom.'_'.$uname).'='.&escape($description). |
| |
'='.&escape($inst_code),$uhome); |
| |
&flushcourselogs(); |
| |
# set toplevel url |
| |
my $topurl=$url; |
| |
unless ($nonstandard) { |
| |
# ------------------------------------------ For standard courses, make top url |
| |
my $mapurl=&clutter($url); |
| |
if ($mapurl eq '/res/') { $mapurl=''; } |
| |
$ENV{'form.initmap'}=(<<ENDINITMAP); |
| |
<map> |
| |
<resource id="1" type="start"></resource> |
| |
<resource id="2" src="$mapurl"></resource> |
| |
<resource id="3" type="finish"></resource> |
| |
<link index="1" from="1" to="2"></link> |
| |
<link index="2" from="2" to="3"></link> |
| |
</map> |
| |
ENDINITMAP |
| |
$topurl=&declutter( |
| |
&finishuserfileupload($uname,$udom,$uhome,'initmap','default.sequence') |
| |
); |
| |
} |
| |
# ----------------------------------------------------------- Write preferences |
| |
&writecoursepref($udom.'_'.$uname, |
| |
('description' => $description, |
| |
'url' => $topurl)); |
| |
return '/'.$udom.'/'.$uname; |
| } |
} |
| |
|
| # ---------------------------------------------------------- Assign Custom Role |
# ---------------------------------------------------------- Assign Custom Role |
| |
|
| sub assigncustomrole { |
sub assigncustomrole { |
| my ($udom,$uname,$url,$rdom,$rnam,$rolename,$end,$start)=@_; |
my ($udom,$uname,$url,$rdom,$rnam,$rolename,$end,$start,$deleteflag)=@_; |
| return &assignrole($udom,$uname,$url,'cr/'.$rdom.'/'.$rnam.'/'.$rolename, |
return &assignrole($udom,$uname,$url,'cr/'.$rdom.'/'.$rnam.'/'.$rolename, |
| $end,$start); |
$end,$start,$deleteflag); |
| } |
} |
| |
|
| # ----------------------------------------------------------------- Revoke Role |
# ----------------------------------------------------------------- Revoke Role |
| |
|
| sub revokerole { |
sub revokerole { |
| my ($udom,$uname,$url,$role)=@_; |
my ($udom,$uname,$url,$role,$deleteflag)=@_; |
| my $now=time; |
my $now=time; |
| return &assignrole($udom,$uname,$url,$role,$now); |
return &assignrole($udom,$uname,$url,$role,$now,$deleteflag); |
| } |
} |
| |
|
| # ---------------------------------------------------------- Revoke Custom Role |
# ---------------------------------------------------------- Revoke Custom Role |
| |
|
| sub revokecustomrole { |
sub revokecustomrole { |
| my ($udom,$uname,$url,$rdom,$rnam,$rolename)=@_; |
my ($udom,$uname,$url,$rdom,$rnam,$rolename,$deleteflag)=@_; |
| my $now=time; |
my $now=time; |
| return &assigncustomrole($udom,$uname,$url,$rdom,$rnam,$rolename,$now); |
return &assigncustomrole($udom,$uname,$url,$rdom,$rnam,$rolename,$now, |
| |
$deleteflag); |
| } |
} |
| |
|
| |
# ------------------------------------------------------------ Disk usage |
| |
sub diskusage { |
| |
my ($udom,$uname,$directoryRoot)=@_; |
| |
$directoryRoot =~ s/\/$//; |
| |
my $listing=&reply('du:'.$directoryRoot,homeserver($uname,$udom)); |
| |
return $listing; |
| |
} |
| |
|
| |
|
| # ------------------------------------------------------------ Directory lister |
# ------------------------------------------------------------ Directory lister |
| |
|
| sub dirlist { |
sub dirlist { |
| my $uri=shift; |
my ($uri,$userdomain,$username,$alternateDirectoryRoot)=@_; |
| |
|
| $uri=~s/^\///; |
$uri=~s/^\///; |
| $uri=~s/\/$//; |
$uri=~s/\/$//; |
| my ($res,$udom,$uname,@rest)=split(/\//,$uri); |
my ($udom, $uname); |
| if ($udom) { |
(undef,$udom,$uname)=split(/\//,$uri); |
| if ($uname) { |
if(defined($userdomain)) { |
| my $listing=reply('ls:'.$perlvar{'lonDocRoot'}.'/'.$uri, |
$udom = $userdomain; |
| homeserver($uname,$udom)); |
} |
| return split(/:/,$listing); |
if(defined($username)) { |
| } else { |
$uname = $username; |
| my $tryserver; |
} |
| my %allusers=(); |
|
| foreach $tryserver (keys %libserv) { |
my $dirRoot = $perlvar{'lonDocRoot'}; |
| if ($hostdom{$tryserver} eq $udom) { |
if(defined($alternateDirectoryRoot)) { |
| my $listing=reply('ls:'.$perlvar{'lonDocRoot'}.'/res/'.$udom, |
$dirRoot = $alternateDirectoryRoot; |
| $tryserver); |
$dirRoot =~ s/\/$//; |
| if (($listing ne 'no_such_dir') && ($listing ne 'empty') |
} |
| && ($listing ne 'con_lost')) { |
|
| map { |
if($udom) { |
| my ($entry,@stat)=split(/&/,$_); |
if($uname) { |
| $allusers{$entry}=1; |
my $listing=reply('ls:'.$dirRoot.'/'.$uri, |
| } split(/:/,$listing); |
homeserver($uname,$udom)); |
| } |
return split(/:/,$listing); |
| } |
} elsif(!defined($alternateDirectoryRoot)) { |
| |
my $tryserver; |
| |
my %allusers=(); |
| |
foreach $tryserver (keys %libserv) { |
| |
if($hostdom{$tryserver} eq $udom) { |
| |
my $listing=reply('ls:'.$perlvar{'lonDocRoot'}.'/res/'. |
| |
$udom, $tryserver); |
| |
if (($listing ne 'no_such_dir') && ($listing ne 'empty') |
| |
&& ($listing ne 'con_lost')) { |
| |
foreach (split(/:/,$listing)) { |
| |
my ($entry,@stat)=split(/&/,$_); |
| |
$allusers{$entry}=1; |
| |
} |
| |
} |
| |
} |
| |
} |
| |
my $alluserstr=''; |
| |
foreach (sort keys %allusers) { |
| |
$alluserstr.=$_.'&user:'; |
| |
} |
| |
$alluserstr=~s/:$//; |
| |
return split(/:/,$alluserstr); |
| |
} else { |
| |
my @emptyResults = (); |
| |
push(@emptyResults, 'missing user name'); |
| |
return split(':',@emptyResults); |
| |
} |
| |
} elsif(!defined($alternateDirectoryRoot)) { |
| |
my $tryserver; |
| |
my %alldom=(); |
| |
foreach $tryserver (keys %libserv) { |
| |
$alldom{$hostdom{$tryserver}}=1; |
| |
} |
| |
my $alldomstr=''; |
| |
foreach (sort keys %alldom) { |
| |
$alldomstr.=$perlvar{'lonDocRoot'}.'/res/'.$_.'/&domain:'; |
| |
} |
| |
$alldomstr=~s/:$//; |
| |
return split(/:/,$alldomstr); |
| |
} else { |
| |
my @emptyResults = (); |
| |
push(@emptyResults, 'missing domain'); |
| |
return split(':',@emptyResults); |
| |
} |
| |
} |
| |
|
| |
# --------------------------------------------- GetFileTimestamp |
| |
# This function utilizes dirlist and returns the date stamp for |
| |
# when it was last modified. It will also return an error of -1 |
| |
# if an error occurs |
| |
|
| |
## |
| |
## FIXME: This subroutine assumes its caller knows something about the |
| |
## directory structure of the home server for the student ($root). |
| |
## Not a good assumption to make. Since this is for looking up files |
| |
## in user directories, the full path should be constructed by lond, not |
| |
## whatever machine we request data from. |
| |
## |
| |
sub GetFileTimestamp { |
| |
my ($studentDomain,$studentName,$filename,$root)=@_; |
| |
$studentDomain=~s/\W//g; |
| |
$studentName=~s/\W//g; |
| |
my $subdir=$studentName.'__'; |
| |
$subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; |
| |
my $proname="$studentDomain/$subdir/$studentName"; |
| |
$proname .= '/'.$filename; |
| |
my ($fileStat) = &Apache::lonnet::dirlist($proname, $studentDomain, |
| |
$studentName, $root); |
| |
my @stats = split('&', $fileStat); |
| |
if($stats[0] ne 'empty' && $stats[0] ne 'no_such_dir') { |
| |
# @stats contains first the filename, then the stat output |
| |
return $stats[10]; # so this is 10 instead of 9. |
| |
} else { |
| |
return -1; |
| |
} |
| |
} |
| |
|
| |
# -------------------------------------------------------- Value of a Condition |
| |
|
| |
sub directcondval { |
| |
my $number=shift; |
| |
if ($ENV{'user.state.'.$ENV{'request.course.id'}}) { |
| |
return substr($ENV{'user.state.'.$ENV{'request.course.id'}},$number,1); |
| |
} else { |
| |
return 2; |
| |
} |
| |
} |
| |
|
| |
sub condval { |
| |
my $condidx=shift; |
| |
my $result=0; |
| |
my $allpathcond=''; |
| |
foreach (split(/\|/,$condidx)) { |
| |
if (defined($ENV{'acc.cond.'.$ENV{'request.course.id'}.'.'.$_})) { |
| |
$allpathcond.= |
| |
'('.$ENV{'acc.cond.'.$ENV{'request.course.id'}.'.'.$_}.')|'; |
| } |
} |
| my $alluserstr=''; |
} |
| map { |
$allpathcond=~s/\|$//; |
| $alluserstr.=$_.'&user:'; |
if ($ENV{'request.course.id'}) { |
| } sort keys %allusers; |
if ($allpathcond) { |
| $alluserstr=~s/:$//; |
my $operand='|'; |
| return split(/:/,$alluserstr); |
my @stack; |
| } |
foreach ($allpathcond=~/(\d+|\(|\)|\&|\|)/g) { |
| } else { |
if ($_ eq '(') { |
| my $tryserver; |
push @stack,($operand,$result) |
| my %alldom=(); |
} elsif ($_ eq ')') { |
| foreach $tryserver (keys %libserv) { |
my $before=pop @stack; |
| $alldom{$hostdom{$tryserver}}=1; |
if (pop @stack eq '&') { |
| } |
$result=$result>$before?$before:$result; |
| my $alldomstr=''; |
} else { |
| map { |
$result=$result>$before?$result:$before; |
| $alldomstr.=$perlvar{'lonDocRoot'}.'/res/'.$_.'&domain:'; |
} |
| } sort keys %alldom; |
} elsif (($_ eq '&') || ($_ eq '|')) { |
| $alldomstr=~s/:$//; |
$operand=$_; |
| return split(/:/,$alldomstr); |
} else { |
| } |
my $new=directcondval($_); |
| |
if ($operand eq '&') { |
| |
$result=$result>$new?$new:$result; |
| |
} else { |
| |
$result=$result>$new?$result:$new; |
| |
} |
| |
} |
| |
} |
| |
} |
| |
} |
| |
return $result; |
| |
} |
| |
|
| |
# ---------------------------------------------------- Devalidate courseresdata |
| |
|
| |
sub devalidatecourseresdata { |
| |
my ($coursenum,$coursedomain)=@_; |
| |
my $hashid=$coursenum.':'.$coursedomain; |
| |
&devalidate_cache(\%courseresdatacache,$hashid,'courseres'); |
| |
} |
| |
|
| |
# --------------------------------------------------- Course Resourcedata Query |
| |
|
| |
sub courseresdata { |
| |
my ($coursenum,$coursedomain,@which)=@_; |
| |
my $coursehom=&homeserver($coursenum,$coursedomain); |
| |
my $hashid=$coursenum.':'.$coursedomain; |
| |
my ($result,$cached)=&is_cached(\%courseresdatacache,$hashid,'courseres'); |
| |
unless (defined($cached)) { |
| |
my %dumpreply=&dump('resourcedata',$coursedomain,$coursenum); |
| |
$result=\%dumpreply; |
| |
my ($tmp) = keys(%dumpreply); |
| |
if ($tmp !~ /^(con_lost|error|no_such_host)/i) { |
| |
&do_cache(\%courseresdatacache,$hashid,$result,'courseres'); |
| |
} elsif ($tmp =~ /^(con_lost|no_such_host)/) { |
| |
return $tmp; |
| |
} elsif ($tmp =~ /^(error)/) { |
| |
$result=undef; |
| |
&do_cache(\%courseresdatacache,$hashid,$result,'courseres'); |
| |
} |
| |
} |
| |
foreach my $item (@which) { |
| |
if (defined($result->{$item})) { |
| |
return $result->{$item}; |
| |
} |
| |
} |
| |
return undef; |
| |
} |
| |
|
| |
# |
| |
# EXT resource caching routines |
| |
# |
| |
|
| |
sub clear_EXT_cache_status { |
| |
&delenv('cache.EXT.'); |
| |
} |
| |
|
| |
sub EXT_cache_status { |
| |
my ($target_domain,$target_user) = @_; |
| |
my $cachename = 'cache.EXT.'.$target_user.'.'.$target_domain; |
| |
if (exists($ENV{$cachename}) && ($ENV{$cachename}+600) > time) { |
| |
# We know already the user has no data |
| |
return 1; |
| |
} else { |
| |
return 0; |
| |
} |
| |
} |
| |
|
| |
sub EXT_cache_set { |
| |
my ($target_domain,$target_user) = @_; |
| |
my $cachename = 'cache.EXT.'.$target_user.'.'.$target_domain; |
| |
&appenv($cachename => time); |
| |
} |
| |
|
| |
# --------------------------------------------------------- Value of a Variable |
| |
sub EXT { |
| |
my ($varname,$symbparm,$udom,$uname,$usection,$recurse)=@_; |
| |
|
| |
unless ($varname) { return ''; } |
| |
#get real user name/domain, courseid and symb |
| |
my $courseid; |
| |
my $publicuser; |
| |
if ($symbparm) { |
| |
$symbparm=&get_symb_from_alias($symbparm); |
| |
} |
| |
if (!($uname && $udom)) { |
| |
(my $cursymb,$courseid,$udom,$uname,$publicuser)= |
| |
&Apache::lonxml::whichuser($symbparm); |
| |
if (!$symbparm) { $symbparm=$cursymb; } |
| |
} else { |
| |
$courseid=$ENV{'request.course.id'}; |
| |
} |
| |
my ($realm,$space,$qualifier,@therest)=split(/\./,$varname); |
| |
my $rest; |
| |
if (defined($therest[0])) { |
| |
$rest=join('.',@therest); |
| |
} else { |
| |
$rest=''; |
| |
} |
| |
|
| |
my $qualifierrest=$qualifier; |
| |
if ($rest) { $qualifierrest.='.'.$rest; } |
| |
my $spacequalifierrest=$space; |
| |
if ($qualifierrest) { $spacequalifierrest.='.'.$qualifierrest; } |
| |
if ($realm eq 'user') { |
| |
# --------------------------------------------------------------- user.resource |
| |
if ($space eq 'resource') { |
| |
if (defined($Apache::lonhomework::parsing_a_problem)) { |
| |
return $Apache::lonhomework::history{$qualifierrest}; |
| |
} else { |
| |
my %restored; |
| |
if ($publicuser || $ENV{'request.state'} eq 'construct') { |
| |
%restored=&tmprestore($symbparm,$courseid,$udom,$uname); |
| |
} else { |
| |
%restored=&restore($symbparm,$courseid,$udom,$uname); |
| |
} |
| |
return $restored{$qualifierrest}; |
| |
} |
| |
# ----------------------------------------------------------------- user.access |
| |
} elsif ($space eq 'access') { |
| |
# FIXME - not supporting calls for a specific user |
| |
return &allowed($qualifier,$rest); |
| |
# ------------------------------------------ user.preferences, user.environment |
| |
} elsif (($space eq 'preferences') || ($space eq 'environment')) { |
| |
if (($uname eq $ENV{'user.name'}) && |
| |
($udom eq $ENV{'user.domain'})) { |
| |
return $ENV{join('.',('environment',$qualifierrest))}; |
| |
} else { |
| |
my %returnhash; |
| |
if (!$publicuser) { |
| |
%returnhash=&userenvironment($udom,$uname, |
| |
$qualifierrest); |
| |
} |
| |
return $returnhash{$qualifierrest}; |
| |
} |
| |
# ----------------------------------------------------------------- user.course |
| |
} elsif ($space eq 'course') { |
| |
# FIXME - not supporting calls for a specific user |
| |
return $ENV{join('.',('request.course',$qualifier))}; |
| |
# ------------------------------------------------------------------- user.role |
| |
} elsif ($space eq 'role') { |
| |
# FIXME - not supporting calls for a specific user |
| |
my ($role,$where)=split(/\./,$ENV{'request.role'}); |
| |
if ($qualifier eq 'value') { |
| |
return $role; |
| |
} elsif ($qualifier eq 'extent') { |
| |
return $where; |
| |
} |
| |
# ----------------------------------------------------------------- user.domain |
| |
} elsif ($space eq 'domain') { |
| |
return $udom; |
| |
# ------------------------------------------------------------------- user.name |
| |
} elsif ($space eq 'name') { |
| |
return $uname; |
| |
# ---------------------------------------------------- Any other user namespace |
| |
} else { |
| |
my %reply; |
| |
if (!$publicuser) { |
| |
%reply=&get($space,[$qualifierrest],$udom,$uname); |
| |
} |
| |
return $reply{$qualifierrest}; |
| |
} |
| |
} elsif ($realm eq 'query') { |
| |
# ---------------------------------------------- pull stuff out of query string |
| |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
| |
[$spacequalifierrest]); |
| |
return $ENV{'form.'.$spacequalifierrest}; |
| |
} elsif ($realm eq 'request') { |
| |
# ------------------------------------------------------------- request.browser |
| |
if ($space eq 'browser') { |
| |
if ($qualifier eq 'textremote') { |
| |
if (&mt('textual_remote_display') eq 'on') { |
| |
return 1; |
| |
} else { |
| |
return 0; |
| |
} |
| |
} else { |
| |
return $ENV{'browser.'.$qualifier}; |
| |
} |
| |
# ------------------------------------------------------------ request.filename |
| |
} else { |
| |
return $ENV{'request.'.$spacequalifierrest}; |
| |
} |
| |
} elsif ($realm eq 'course') { |
| |
# ---------------------------------------------------------- course.description |
| |
return $ENV{'course.'.$courseid.'.'.$spacequalifierrest}; |
| |
} elsif ($realm eq 'resource') { |
| |
|
| |
my $section; |
| |
if (defined($courseid) && $courseid eq $ENV{'request.course.id'}) { |
| |
if (!$symbparm) { $symbparm=&symbread(); } |
| |
} |
| |
if ($symbparm && defined($courseid) && |
| |
$courseid eq $ENV{'request.course.id'}) { |
| |
|
| |
#print '<br>'.$space.' - '.$qualifier.' - '.$spacequalifierrest; |
| |
|
| |
# ----------------------------------------------------- Cascading lookup scheme |
| |
my $symbp=$symbparm; |
| |
my $mapp=(&decode_symb($symbp))[0]; |
| |
|
| |
my $symbparm=$symbp.'.'.$spacequalifierrest; |
| |
my $mapparm=$mapp.'___(all).'.$spacequalifierrest; |
| |
|
| |
if (($ENV{'user.name'} eq $uname) && |
| |
($ENV{'user.domain'} eq $udom)) { |
| |
$section=$ENV{'request.course.sec'}; |
| |
} else { |
| |
if (! defined($usection)) { |
| |
$section=&getsection($udom,$uname,$courseid); |
| |
} else { |
| |
$section = $usection; |
| |
} |
| |
} |
| |
|
| |
my $seclevel=$courseid.'.['.$section.'].'.$spacequalifierrest; |
| |
my $seclevelr=$courseid.'.['.$section.'].'.$symbparm; |
| |
my $seclevelm=$courseid.'.['.$section.'].'.$mapparm; |
| |
|
| |
my $courselevel=$courseid.'.'.$spacequalifierrest; |
| |
my $courselevelr=$courseid.'.'.$symbparm; |
| |
my $courselevelm=$courseid.'.'.$mapparm; |
| |
|
| |
# ----------------------------------------------------------- first, check user |
| |
#most student don\'t have any data set, check if there is some data |
| |
if (! &EXT_cache_status($udom,$uname)) { |
| |
my $hashid="$udom:$uname"; |
| |
my ($result,$cached)=&is_cached(\%userresdatacache,$hashid, |
| |
'userres'); |
| |
if (!defined($cached)) { |
| |
my %resourcedata=&dump('resourcedata',$udom,$uname); |
| |
$result=\%resourcedata; |
| |
&do_cache(\%userresdatacache,$hashid,$result,'userres'); |
| |
} |
| |
my ($tmp)=keys(%$result); |
| |
if (($tmp!~/^error\:/) && ($tmp!~/^con_lost/)) { |
| |
if ($$result{$courselevelr}) { |
| |
return $$result{$courselevelr}; } |
| |
if ($$result{$courselevelm}) { |
| |
return $$result{$courselevelm}; } |
| |
if ($$result{$courselevel}) { |
| |
return $$result{$courselevel}; } |
| |
} else { |
| |
#error 2 occurs when the .db doesn't exist |
| |
if ($tmp!~/error: 2 /) { |
| |
&logthis("<font color=blue>WARNING:". |
| |
" Trying to get resource data for ". |
| |
$uname." at ".$udom.": ". |
| |
$tmp."</font>"); |
| |
} elsif ($tmp=~/error: 2 /) { |
| |
&EXT_cache_set($udom,$uname); |
| |
} elsif ($tmp =~ /^(con_lost|no_such_host)/) { |
| |
return $tmp; |
| |
} |
| |
} |
| |
} |
| |
|
| |
# -------------------------------------------------------- second, check course |
| |
|
| |
my $coursereply=&courseresdata($ENV{'course.'.$courseid.'.num'}, |
| |
$ENV{'course.'.$courseid.'.domain'}, |
| |
($seclevelr,$seclevelm,$seclevel, |
| |
$courselevelr,$courselevelm, |
| |
$courselevel)); |
| |
if (defined($coursereply)) { return $coursereply; } |
| |
|
| |
# ------------------------------------------------------ third, check map parms |
| |
my %parmhash=(); |
| |
my $thisparm=''; |
| |
if (tie(%parmhash,'GDBM_File', |
| |
$ENV{'request.course.fn'}.'_parms.db', |
| |
&GDBM_READER(),0640)) { |
| |
$thisparm=$parmhash{$symbparm}; |
| |
untie(%parmhash); |
| |
} |
| |
if ($thisparm) { return $thisparm; } |
| |
} |
| |
# --------------------------------------------- last, look in resource metadata |
| |
|
| |
$spacequalifierrest=~s/\./\_/; |
| |
my $filename; |
| |
if (!$symbparm) { $symbparm=&symbread(); } |
| |
if ($symbparm) { |
| |
$filename=(&decode_symb($symbparm))[2]; |
| |
} else { |
| |
$filename=$ENV{'request.filename'}; |
| |
} |
| |
my $metadata=&metadata($filename,$spacequalifierrest); |
| |
if (defined($metadata)) { return $metadata; } |
| |
$metadata=&metadata($filename,'parameter_'.$spacequalifierrest); |
| |
if (defined($metadata)) { return $metadata; } |
| |
|
| |
# ------------------------------------------------------------------ Cascade up |
| |
unless ($space eq '0') { |
| |
my @parts=split(/_/,$space); |
| |
my $id=pop(@parts); |
| |
my $part=join('_',@parts); |
| |
if ($part eq '') { $part='0'; } |
| |
my $partgeneral=&EXT('resource.'.$part.'.'.$qualifierrest, |
| |
$symbparm,$udom,$uname,$section,1); |
| |
if (defined($partgeneral)) { return $partgeneral; } |
| |
} |
| |
if ($recurse) { return undef; } |
| |
my $pack_def=&packages_tab_default($filename,$varname); |
| |
if (defined($pack_def)) { return $pack_def; } |
| |
|
| |
# ---------------------------------------------------- Any other user namespace |
| |
} elsif ($realm eq 'environment') { |
| |
# ----------------------------------------------------------------- environment |
| |
if (($uname eq $ENV{'user.name'})&&($udom eq $ENV{'user.domain'})) { |
| |
return $ENV{'environment.'.$spacequalifierrest}; |
| |
} else { |
| |
my %returnhash=&userenvironment($udom,$uname, |
| |
$spacequalifierrest); |
| |
return $returnhash{$spacequalifierrest}; |
| |
} |
| |
} elsif ($realm eq 'system') { |
| |
# ----------------------------------------------------------------- system.time |
| |
if ($space eq 'time') { |
| |
return time; |
| |
} |
| |
} |
| |
return ''; |
| |
} |
| |
|
| |
sub packages_tab_default { |
| |
my ($uri,$varname)=@_; |
| |
my (undef,$part,$name)=split(/\./,$varname); |
| |
my $packages=&metadata($uri,'packages'); |
| |
foreach my $package (split(/,/,$packages)) { |
| |
my ($pack_type,$pack_part)=split(/_/,$package,2); |
| |
if (defined($packagetab{"$pack_type&$name&default"})) { |
| |
return $packagetab{"$pack_type&$name&default"}; |
| |
} |
| |
if (defined($packagetab{$pack_type."_".$pack_part."&$name&default"})) { |
| |
return $packagetab{$pack_type."_".$pack_part."&$name&default"}; |
| |
} |
| |
} |
| |
return undef; |
| |
} |
| |
|
| |
sub add_prefix_and_part { |
| |
my ($prefix,$part)=@_; |
| |
my $keyroot; |
| |
if (defined($prefix) && $prefix !~ /^__/) { |
| |
# prefix that has a part already |
| |
$keyroot=$prefix; |
| |
} elsif (defined($prefix)) { |
| |
# prefix that is missing a part |
| |
if (defined($part)) { $keyroot='_'.$part.substr($prefix,1); } |
| |
} else { |
| |
# no prefix at all |
| |
if (defined($part)) { $keyroot='_'.$part; } |
| |
} |
| |
return $keyroot; |
| |
} |
| |
|
| |
# ---------------------------------------------------------------- Get metadata |
| |
|
| |
sub metadata { |
| |
my ($uri,$what,$liburi,$prefix,$depthcount)=@_; |
| |
$uri=&declutter($uri); |
| |
# if it is a non metadata possible uri return quickly |
| |
if (($uri eq '') || |
| |
(($uri =~ m|^/*adm/|) && |
| |
($uri !~ m|^adm/includes|) && ($uri !~ m|/bulletinboard$|)) || |
| |
($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ /^~/) || |
| |
($uri =~ m|home/[^/]+/public_html/|)) { |
| |
return undef; |
| |
} |
| |
my $filename=$uri; |
| |
$uri=~s/\.meta$//; |
| |
# |
| |
# Is the metadata already cached? |
| |
# Look at timestamp of caching |
| |
# Everything is cached by the main uri, libraries are never directly cached |
| |
# |
| |
if (!defined($liburi)) { |
| |
my ($result,$cached)=&is_cached(\%metacache,$uri,'meta'); |
| |
if (defined($cached)) { return $result->{':'.$what}; } |
| |
} |
| |
{ |
| |
# |
| |
# Is this a recursive call for a library? |
| |
# |
| |
if (! exists($metacache{$uri})) { |
| |
$metacache{$uri}={}; |
| |
} |
| |
if ($liburi) { |
| |
$liburi=&declutter($liburi); |
| |
$filename=$liburi; |
| |
} else { |
| |
&devalidate_cache(\%metacache,$uri,'meta'); |
| |
} |
| |
my %metathesekeys=(); |
| |
unless ($filename=~/\.meta$/) { $filename.='.meta'; } |
| |
my $metastring; |
| |
if ($uri !~ m|^uploaded/|) { |
| |
my $file=&filelocation('',&clutter($filename)); |
| |
push(@{$metacache{$uri.'.file'}},$file); |
| |
$metastring=&getfile($file); |
| |
} |
| |
my $parser=HTML::LCParser->new(\$metastring); |
| |
my $token; |
| |
undef %metathesekeys; |
| |
while ($token=$parser->get_token) { |
| |
if ($token->[0] eq 'S') { |
| |
if (defined($token->[2]->{'package'})) { |
| |
# |
| |
# This is a package - get package info |
| |
# |
| |
my $package=$token->[2]->{'package'}; |
| |
my $keyroot=&add_prefix_and_part($prefix,$token->[2]->{'part'}); |
| |
if (defined($token->[2]->{'id'})) { |
| |
$keyroot.='_'.$token->[2]->{'id'}; |
| |
} |
| |
if ($metacache{$uri}->{':packages'}) { |
| |
$metacache{$uri}->{':packages'}.=','.$package.$keyroot; |
| |
} else { |
| |
$metacache{$uri}->{':packages'}=$package.$keyroot; |
| |
} |
| |
foreach (keys %packagetab) { |
| |
my $part=$keyroot; |
| |
$part=~s/^\_//; |
| |
if ($_=~/^\Q$package\E\&/ || |
| |
$_=~/^\Q$package\E_0\&/) { |
| |
my ($pack,$name,$subp)=split(/\&/,$_); |
| |
# ignore package.tab specified default values |
| |
# here &package_tab_default() will fetch those |
| |
if ($subp eq 'default') { next; } |
| |
my $value=$packagetab{$_}; |
| |
my $unikey; |
| |
if ($pack =~ /_0$/) { |
| |
$unikey='parameter_0_'.$name; |
| |
$part=0; |
| |
} else { |
| |
$unikey='parameter'.$keyroot.'_'.$name; |
| |
} |
| |
if ($subp eq 'display') { |
| |
$value.=' [Part: '.$part.']'; |
| |
} |
| |
$metacache{$uri}->{':'.$unikey.'.part'}=$part; |
| |
$metathesekeys{$unikey}=1; |
| |
unless (defined($metacache{$uri}->{':'.$unikey.'.'.$subp})) { |
| |
$metacache{$uri}->{':'.$unikey.'.'.$subp}=$value; |
| |
} |
| |
if (defined($metacache{$uri}->{':'.$unikey.'.default'})) { |
| |
$metacache{$uri}->{':'.$unikey}= |
| |
$metacache{$uri}->{':'.$unikey.'.default'}; |
| |
} |
| |
} |
| |
} |
| |
} else { |
| |
# |
| |
# This is not a package - some other kind of start tag |
| |
# |
| |
my $entry=$token->[1]; |
| |
my $unikey; |
| |
if ($entry eq 'import') { |
| |
$unikey=''; |
| |
} else { |
| |
$unikey=$entry; |
| |
} |
| |
$unikey.=&add_prefix_and_part($prefix,$token->[2]->{'part'}); |
| |
|
| |
if (defined($token->[2]->{'id'})) { |
| |
$unikey.='_'.$token->[2]->{'id'}; |
| |
} |
| |
|
| |
if ($entry eq 'import') { |
| |
# |
| |
# Importing a library here |
| |
# |
| |
if ($depthcount<20) { |
| |
my $location=$parser->get_text('/import'); |
| |
my $dir=$filename; |
| |
$dir=~s|[^/]*$||; |
| |
$location=&filelocation($dir,$location); |
| |
foreach (sort(split(/\,/,&metadata($uri,'keys', |
| |
$location,$unikey, |
| |
$depthcount+1)))) { |
| |
$metacache{$uri}->{':'.$_}=$metacache{$uri}->{':'.$_}; |
| |
$metathesekeys{$_}=1; |
| |
} |
| |
} |
| |
} else { |
| |
|
| |
if (defined($token->[2]->{'name'})) { |
| |
$unikey.='_'.$token->[2]->{'name'}; |
| |
} |
| |
$metathesekeys{$unikey}=1; |
| |
foreach (@{$token->[3]}) { |
| |
$metacache{$uri}->{':'.$unikey.'.'.$_}=$token->[2]->{$_}; |
| |
} |
| |
my $internaltext=&HTML::Entities::decode($parser->get_text('/'.$entry)); |
| |
my $default=$metacache{$uri}->{':'.$unikey.'.default'}; |
| |
if ( $internaltext =~ /^\s*$/ && $default !~ /^\s*$/) { |
| |
# only ws inside the tag, and not in default, so use default |
| |
# as value |
| |
$metacache{$uri}->{':'.$unikey}=$default; |
| |
} else { |
| |
# either something interesting inside the tag or default |
| |
# uninteresting |
| |
$metacache{$uri}->{':'.$unikey}=$internaltext; |
| |
} |
| |
# end of not-a-package not-a-library import |
| |
} |
| |
# end of not-a-package start tag |
| |
} |
| |
# the next is the end of "start tag" |
| |
} |
| |
} |
| |
my ($extension) = ($uri =~ /\.(\w+)$/); |
| |
foreach my $key (sort(keys(%packagetab))) { |
| |
#&logthis("extsion1 $extension $key !!"); |
| |
#no specific packages #how's our extension |
| |
if ($key!~/^extension_\Q$extension\E&/) { next; } |
| |
&metadata_create_package_def($uri,$key,'extension_'.$extension, |
| |
\%metathesekeys); |
| |
} |
| |
if (!exists($metacache{$uri}->{':packages'})) { |
| |
foreach my $key (sort(keys(%packagetab))) { |
| |
#no specific packages well let's get default then |
| |
if ($key!~/^default&/) { next; } |
| |
&metadata_create_package_def($uri,$key,'default', |
| |
\%metathesekeys); |
| |
} |
| |
} |
| |
# are there custom rights to evaluate |
| |
if ($metacache{$uri}->{':copyright'} eq 'custom') { |
| |
|
| |
# |
| |
# Importing a rights file here |
| |
# |
| |
unless ($depthcount) { |
| |
my $location=$metacache{$uri}->{':customdistributionfile'}; |
| |
my $dir=$filename; |
| |
$dir=~s|[^/]*$||; |
| |
$location=&filelocation($dir,$location); |
| |
foreach (sort(split(/\,/,&metadata($uri,'keys', |
| |
$location,'_rights', |
| |
$depthcount+1)))) { |
| |
$metacache{$uri}->{':'.$_}=$metacache{$uri}->{':'.$_}; |
| |
$metathesekeys{$_}=1; |
| |
} |
| |
} |
| |
} |
| |
$metacache{$uri}->{':keys'}=join(',',keys %metathesekeys); |
| |
&metadata_generate_part0(\%metathesekeys,$metacache{$uri},$uri); |
| |
$metacache{$uri}->{':allpossiblekeys'}=join(',',keys %metathesekeys); |
| |
&do_cache(\%metacache,$uri,$metacache{$uri},'meta'); |
| |
# this is the end of "was not already recently cached |
| |
} |
| |
return $metacache{$uri}->{':'.$what}; |
| |
} |
| |
|
| |
sub metadata_create_package_def { |
| |
my ($uri,$key,$package,$metathesekeys)=@_; |
| |
my ($pack,$name,$subp)=split(/\&/,$key); |
| |
if ($subp eq 'default') { next; } |
| |
|
| |
if (defined($metacache{$uri}->{':packages'})) { |
| |
$metacache{$uri}->{':packages'}.=','.$package; |
| |
} else { |
| |
$metacache{$uri}->{':packages'}=$package; |
| |
} |
| |
my $value=$packagetab{$key}; |
| |
my $unikey; |
| |
$unikey='parameter_0_'.$name; |
| |
$metacache{$uri}->{':'.$unikey.'.part'}=0; |
| |
$$metathesekeys{$unikey}=1; |
| |
unless (defined($metacache{$uri}->{':'.$unikey.'.'.$subp})) { |
| |
$metacache{$uri}->{':'.$unikey.'.'.$subp}=$value; |
| |
} |
| |
if (defined($metacache{$uri}->{':'.$unikey.'.default'})) { |
| |
$metacache{$uri}->{':'.$unikey}= |
| |
$metacache{$uri}->{':'.$unikey.'.default'}; |
| |
} |
| |
} |
| |
|
| |
sub metadata_generate_part0 { |
| |
my ($metadata,$metacache,$uri) = @_; |
| |
my %allnames; |
| |
foreach my $metakey (sort keys %$metadata) { |
| |
if ($metakey=~/^parameter\_(.*)/) { |
| |
my $part=$$metacache{':'.$metakey.'.part'}; |
| |
my $name=$$metacache{':'.$metakey.'.name'}; |
| |
if (! exists($$metadata{'parameter_0_'.$name.'.name'})) { |
| |
$allnames{$name}=$part; |
| |
} |
| |
} |
| |
} |
| |
foreach my $name (keys(%allnames)) { |
| |
$$metadata{"parameter_0_$name"}=1; |
| |
my $key=":parameter_0_$name"; |
| |
$$metacache{"$key.part"}='0'; |
| |
$$metacache{"$key.name"}=$name; |
| |
$$metacache{"$key.type"}=$$metacache{':parameter_'. |
| |
$allnames{$name}.'_'.$name. |
| |
'.type'}; |
| |
my $olddis=$$metacache{':parameter_'.$allnames{$name}.'_'.$name. |
| |
'.display'}; |
| |
my $expr='\\[Part: '.$allnames{$name}.'\\]'; |
| |
$olddis=~s/\Q$expr\E/\[Part: 0\]/; |
| |
$$metacache{"$key.display"}=$olddis; |
| |
} |
| |
} |
| |
|
| |
# ------------------------------------------------- Get the title of a resource |
| |
|
| |
sub gettitle { |
| |
my $urlsymb=shift; |
| |
my $symb=&symbread($urlsymb); |
| |
if ($symb) { |
| |
my ($result,$cached)=&is_cached(\%titlecache,$symb,'title',600); |
| |
if (defined($cached)) { return $result; } |
| |
my ($map,$resid,$url)=&decode_symb($symb); |
| |
my $title=''; |
| |
my %bighash; |
| |
if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', |
| |
&GDBM_READER(),0640)) { |
| |
my $mapid=$bighash{'map_pc_'.&clutter($map)}; |
| |
$title=$bighash{'title_'.$mapid.'.'.$resid}; |
| |
untie %bighash; |
| |
} |
| |
$title=~s/\&colon\;/\:/gs; |
| |
if ($title) { |
| |
return &do_cache(\%titlecache,$symb,$title,'title'); |
| |
} |
| |
$urlsymb=$url; |
| |
} |
| |
my $title=&metadata($urlsymb,'title'); |
| |
if (!$title) { $title=(split('/',$urlsymb))[-1]; } |
| |
return $title; |
| |
} |
| |
|
| |
# ------------------------------------------------- Update symbolic store links |
| |
|
| |
sub symblist { |
| |
my ($mapname,%newhash)=@_; |
| |
$mapname=&deversion(&declutter($mapname)); |
| |
my %hash; |
| |
if (($ENV{'request.course.fn'}) && (%newhash)) { |
| |
if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'_symb.db', |
| |
&GDBM_WRCREAT(),0640)) { |
| |
foreach (keys %newhash) { |
| |
$hash{declutter($_)}=$mapname.'___'.&deversion($newhash{$_}); |
| |
} |
| |
if (untie(%hash)) { |
| |
return 'ok'; |
| |
} |
| |
} |
| |
} |
| |
return 'error'; |
| |
} |
| |
|
| |
# --------------------------------------------------------------- Verify a symb |
| |
|
| |
sub symbverify { |
| |
my ($symb,$thisurl)=@_; |
| |
my $thisfn=$thisurl; |
| |
# wrapper not part of symbs |
| |
$thisfn=~s/^\/adm\/wrapper//; |
| |
$thisfn=&declutter($thisfn); |
| |
# direct jump to resource in page or to a sequence - will construct own symbs |
| |
if ($thisfn=~/\.(page|sequence)$/) { return 1; } |
| |
# check URL part |
| |
my ($map,$resid,$url)=&decode_symb($symb); |
| |
|
| |
unless ($url eq $thisfn) { return 0; } |
| |
|
| |
$symb=&symbclean($symb); |
| |
$thisurl=&deversion($thisurl); |
| |
$thisfn=&deversion($thisfn); |
| |
|
| |
my %bighash; |
| |
my $okay=0; |
| |
|
| |
if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', |
| |
&GDBM_READER(),0640)) { |
| |
my $ids=$bighash{'ids_'.&clutter($thisurl)}; |
| |
unless ($ids) { |
| |
$ids=$bighash{'ids_/'.$thisurl}; |
| |
} |
| |
if ($ids) { |
| |
# ------------------------------------------------------------------- Has ID(s) |
| |
foreach (split(/\,/,$ids)) { |
| |
my ($mapid,$resid)=split(/\./,$_); |
| |
if ( |
| |
&symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn) |
| |
eq $symb) { |
| |
$okay=1; |
| |
} |
| |
} |
| |
} |
| |
untie(%bighash); |
| |
} |
| |
return $okay; |
| |
} |
| |
|
| |
# --------------------------------------------------------------- Clean-up symb |
| |
|
| |
sub symbclean { |
| |
my $symb=shift; |
| |
|
| |
# remove version from map |
| |
$symb=~s/\.(\d+)\.(\w+)\_\_\_/\.$2\_\_\_/; |
| |
|
| |
# remove version from URL |
| |
$symb=~s/\.(\d+)\.(\w+)$/\.$2/; |
| |
|
| |
# remove wrapper |
| |
|
| |
$symb=~s/(\_\_\_\d+\_\_\_)adm\/wrapper\/(res\/)*/$1/; |
| |
return $symb; |
| |
} |
| |
|
| |
# ---------------------------------------------- Split symb to find map and url |
| |
|
| |
sub encode_symb { |
| |
my ($map,$resid,$url)=@_; |
| |
return &symbclean(&declutter($map).'___'.$resid.'___'.&declutter($url)); |
| |
} |
| |
|
| |
sub decode_symb { |
| |
my ($map,$resid,$url)=split(/\_\_\_/,shift); |
| |
return (&fixversion($map),$resid,&fixversion($url)); |
| |
} |
| |
|
| |
sub fixversion { |
| |
my $fn=shift; |
| |
if ($fn=~/^(adm|uploaded|public)/) { return $fn; } |
| |
my %bighash; |
| |
my $uri=&clutter($fn); |
| |
my $key=$ENV{'request.course.id'}.'_'.$uri; |
| |
# is this cached? |
| |
my ($result,$cached)=&is_cached(\%courseresversioncache,$key, |
| |
'courseresversion',600); |
| |
if (defined($cached)) { return $result; } |
| |
# unfortunately not cached, or expired |
| |
if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', |
| |
&GDBM_READER(),0640)) { |
| |
if ($bighash{'version_'.$uri}) { |
| |
my $version=$bighash{'version_'.$uri}; |
| |
unless (($version eq 'mostrecent') || |
| |
($version==&getversion($uri))) { |
| |
$uri=~s/\.(\w+)$/\.$version\.$1/; |
| |
} |
| |
} |
| |
untie %bighash; |
| |
} |
| |
return &do_cache |
| |
(\%courseresversioncache,$key,&declutter($uri),'courseresversion'); |
| |
} |
| |
|
| |
sub deversion { |
| |
my $url=shift; |
| |
$url=~s/\.\d+\.(\w+)$/\.$1/; |
| |
return $url; |
| |
} |
| |
|
| |
# ------------------------------------------------------ Return symb list entry |
| |
|
| |
sub symbread { |
| |
my ($thisfn,$donotrecurse)=@_; |
| |
my $cache_str='request.symbread.cached.'.$thisfn; |
| |
if (defined($ENV{$cache_str})) { return $ENV{$cache_str}; } |
| |
# no filename provided? try from environment |
| |
unless ($thisfn) { |
| |
if ($ENV{'request.symb'}) { |
| |
return $ENV{$cache_str}=&symbclean($ENV{'request.symb'}); |
| |
} |
| |
$thisfn=$ENV{'request.filename'}; |
| |
} |
| |
# is that filename actually a symb? Verify, clean, and return |
| |
if ($thisfn=~/\_\_\_\d+\_\_\_(.*)$/) { |
| |
if (&symbverify($thisfn,$1)) { |
| |
return $ENV{$cache_str}=&symbclean($thisfn); |
| |
} |
| |
} |
| |
$thisfn=declutter($thisfn); |
| |
my %hash; |
| |
my %bighash; |
| |
my $syval=''; |
| |
if (($ENV{'request.course.fn'}) && ($thisfn)) { |
| |
my $targetfn = $thisfn; |
| |
if ( ($thisfn =~ m/^uploaded\//) && ($thisfn !~ m/\.(page|sequence)$/) ) { |
| |
$targetfn = 'adm/wrapper/'.$thisfn; |
| |
} |
| |
if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'_symb.db', |
| |
&GDBM_READER(),0640)) { |
| |
$syval=$hash{$targetfn}; |
| |
untie(%hash); |
| |
} |
| |
# ---------------------------------------------------------- There was an entry |
| |
if ($syval) { |
| |
unless ($syval=~/\_\d+$/) { |
| |
unless ($ENV{'form.request.prefix'}=~/\.(\d+)\_$/) { |
| |
&appenv('request.ambiguous' => $thisfn); |
| |
return $ENV{$cache_str}=''; |
| |
} |
| |
$syval.=$1; |
| |
} |
| |
} else { |
| |
# ------------------------------------------------------- Was not in symb table |
| |
if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', |
| |
&GDBM_READER(),0640)) { |
| |
# ---------------------------------------------- Get ID(s) for current resource |
| |
my $ids=$bighash{'ids_'.&clutter($thisfn)}; |
| |
unless ($ids) { |
| |
$ids=$bighash{'ids_/'.$thisfn}; |
| |
} |
| |
unless ($ids) { |
| |
# alias? |
| |
$ids=$bighash{'mapalias_'.$thisfn}; |
| |
} |
| |
if ($ids) { |
| |
# ------------------------------------------------------------------- Has ID(s) |
| |
my @possibilities=split(/\,/,$ids); |
| |
if ($#possibilities==0) { |
| |
# ----------------------------------------------- There is only one possibility |
| |
my ($mapid,$resid)=split(/\./,$ids); |
| |
$syval=declutter($bighash{'map_id_'.$mapid}).'___'.$resid; |
| |
} elsif (!$donotrecurse) { |
| |
# ------------------------------------------ There is more than one possibility |
| |
my $realpossible=0; |
| |
foreach (@possibilities) { |
| |
my $file=$bighash{'src_'.$_}; |
| |
if (&allowed('bre',$file)) { |
| |
my ($mapid,$resid)=split(/\./,$_); |
| |
if ($bighash{'map_type_'.$mapid} ne 'page') { |
| |
$realpossible++; |
| |
$syval=declutter($bighash{'map_id_'.$mapid}). |
| |
'___'.$resid; |
| |
} |
| |
} |
| |
} |
| |
if ($realpossible!=1) { $syval=''; } |
| |
} else { |
| |
$syval=''; |
| |
} |
| |
} |
| |
untie(%bighash) |
| |
} |
| |
} |
| |
if ($syval) { |
| |
return $ENV{$cache_str}=&symbclean($syval.'___'.$thisfn); |
| |
} |
| |
} |
| |
&appenv('request.ambiguous' => $thisfn); |
| |
return $ENV{$cache_str}=''; |
| |
} |
| |
|
| |
# ---------------------------------------------------------- Return random seed |
| |
|
| |
sub numval { |
| |
my $txt=shift; |
| |
$txt=~tr/A-J/0-9/; |
| |
$txt=~tr/a-j/0-9/; |
| |
$txt=~tr/K-T/0-9/; |
| |
$txt=~tr/k-t/0-9/; |
| |
$txt=~tr/U-Z/0-5/; |
| |
$txt=~tr/u-z/0-5/; |
| |
$txt=~s/\D//g; |
| |
return int($txt); |
| |
} |
| |
|
| |
sub numval2 { |
| |
my $txt=shift; |
| |
$txt=~tr/A-J/0-9/; |
| |
$txt=~tr/a-j/0-9/; |
| |
$txt=~tr/K-T/0-9/; |
| |
$txt=~tr/k-t/0-9/; |
| |
$txt=~tr/U-Z/0-5/; |
| |
$txt=~tr/u-z/0-5/; |
| |
$txt=~s/\D//g; |
| |
my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt); |
| |
my $total; |
| |
foreach my $val (@txts) { $total+=$val; } |
| |
return int($total); |
| |
} |
| |
|
| |
sub latest_rnd_algorithm_id { |
| |
return '64bit3'; |
| |
} |
| |
|
| |
sub get_rand_alg { |
| |
my ($courseid)=@_; |
| |
if (!$courseid) { $courseid=(&Apache::lonxml::whichuser())[1]; } |
| |
if ($courseid) { |
| |
return $ENV{"course.$courseid.rndseed"}; |
| |
} |
| |
return &latest_rnd_algorithm_id(); |
| |
} |
| |
|
| |
sub getCODE { |
| |
if (defined($ENV{'form.CODE'})) { return $ENV{'form.CODE'}; } |
| |
if (defined($Apache::lonhomework::parsing_a_problem) && |
| |
defined($Apache::lonhomework::history{'resource.CODE'})) { |
| |
return $Apache::lonhomework::history{'resource.CODE'}; |
| |
} |
| |
return undef; |
| |
} |
| |
|
| |
sub rndseed { |
| |
my ($symb,$courseid,$domain,$username)=@_; |
| |
|
| |
my ($wsymb,$wcourseid,$wdomain,$wusername)=&Apache::lonxml::whichuser(); |
| |
if (!$symb) { |
| |
unless ($symb=$wsymb) { return time; } |
| |
} |
| |
if (!$courseid) { $courseid=$wcourseid; } |
| |
if (!$domain) { $domain=$wdomain; } |
| |
if (!$username) { $username=$wusername } |
| |
my $which=&get_rand_alg(); |
| |
if (defined(&getCODE())) { |
| |
return &rndseed_CODE_64bit($symb,$courseid,$domain,$username); |
| |
} elsif ($which eq '64bit3') { |
| |
return &rndseed_64bit3($symb,$courseid,$domain,$username); |
| |
} elsif ($which eq '64bit2') { |
| |
return &rndseed_64bit2($symb,$courseid,$domain,$username); |
| |
} elsif ($which eq '64bit') { |
| |
return &rndseed_64bit($symb,$courseid,$domain,$username); |
| |
} |
| |
return &rndseed_32bit($symb,$courseid,$domain,$username); |
| |
} |
| |
|
| |
sub rndseed_32bit { |
| |
my ($symb,$courseid,$domain,$username)=@_; |
| |
{ |
| |
use integer; |
| |
my $symbchck=unpack("%32C*",$symb) << 27; |
| |
my $symbseed=numval($symb) << 22; |
| |
my $namechck=unpack("%32C*",$username) << 17; |
| |
my $nameseed=numval($username) << 12; |
| |
my $domainseed=unpack("%32C*",$domain) << 7; |
| |
my $courseseed=unpack("%32C*",$courseid); |
| |
my $num=$symbseed+$nameseed+$domainseed+$courseseed+$namechck+$symbchck; |
| |
#&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); |
| |
#&Apache::lonxml::debug("rndseed :$num:$symb"); |
| |
return $num; |
| |
} |
| |
} |
| |
|
| |
sub rndseed_64bit { |
| |
my ($symb,$courseid,$domain,$username)=@_; |
| |
{ |
| |
use integer; |
| |
my $symbchck=unpack("%32S*",$symb) << 21; |
| |
my $symbseed=numval($symb) << 10; |
| |
my $namechck=unpack("%32S*",$username); |
| |
|
| |
my $nameseed=numval($username) << 21; |
| |
my $domainseed=unpack("%32S*",$domain) << 10; |
| |
my $courseseed=unpack("%32S*",$courseid); |
| |
|
| |
my $num1=$symbchck+$symbseed+$namechck; |
| |
my $num2=$nameseed+$domainseed+$courseseed; |
| |
#&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); |
| |
#&Apache::lonxml::debug("rndseed :$num:$symb"); |
| |
return "$num1,$num2"; |
| |
} |
| |
} |
| |
|
| |
sub rndseed_64bit2 { |
| |
my ($symb,$courseid,$domain,$username)=@_; |
| |
{ |
| |
use integer; |
| |
# strings need to be an even # of cahracters long, it it is odd the |
| |
# last characters gets thrown away |
| |
my $symbchck=unpack("%32S*",$symb.' ') << 21; |
| |
my $symbseed=numval($symb) << 10; |
| |
my $namechck=unpack("%32S*",$username.' '); |
| |
|
| |
my $nameseed=numval($username) << 21; |
| |
my $domainseed=unpack("%32S*",$domain.' ') << 10; |
| |
my $courseseed=unpack("%32S*",$courseid.' '); |
| |
|
| |
my $num1=$symbchck+$symbseed+$namechck; |
| |
my $num2=$nameseed+$domainseed+$courseseed; |
| |
#&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); |
| |
#&Apache::lonxml::debug("rndseed :$num:$symb"); |
| |
return "$num1,$num2"; |
| |
} |
| |
} |
| |
|
| |
sub rndseed_64bit3 { |
| |
my ($symb,$courseid,$domain,$username)=@_; |
| |
{ |
| |
use integer; |
| |
# strings need to be an even # of cahracters long, it it is odd the |
| |
# last characters gets thrown away |
| |
my $symbchck=unpack("%32S*",$symb.' ') << 21; |
| |
my $symbseed=numval2($symb) << 10; |
| |
my $namechck=unpack("%32S*",$username.' '); |
| |
|
| |
my $nameseed=numval2($username) << 21; |
| |
my $domainseed=unpack("%32S*",$domain.' ') << 10; |
| |
my $courseseed=unpack("%32S*",$courseid.' '); |
| |
|
| |
my $num1=$symbchck+$symbseed+$namechck; |
| |
my $num2=$nameseed+$domainseed+$courseseed; |
| |
#&Apache::lonxml::debug("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck"); |
| |
#&Apache::lonxml::debug("rndseed :$num:$symb"); |
| |
return "$num1:$num2"; |
| |
} |
| |
} |
| |
|
| |
sub rndseed_CODE_64bit { |
| |
my ($symb,$courseid,$domain,$username)=@_; |
| |
{ |
| |
use integer; |
| |
my $symbchck=unpack("%32S*",$symb.' ') << 16; |
| |
my $symbseed=numval2($symb); |
| |
my $CODEchck=unpack("%32S*",&getCODE().' ') << 16; |
| |
my $CODEseed=numval(&getCODE()); |
| |
my $courseseed=unpack("%32S*",$courseid.' '); |
| |
my $num1=$symbseed+$CODEchck; |
| |
my $num2=$CODEseed+$courseseed+$symbchck; |
| |
#&Apache::lonxml::debug("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck"); |
| |
#&Apache::lonxml::debug("rndseed :$num1:$num2:$symb"); |
| |
return "$num1:$num2"; |
| |
} |
| |
} |
| |
|
| |
sub setup_random_from_rndseed { |
| |
my ($rndseed)=@_; |
| |
if ($rndseed =~/([,:])/) { |
| |
my ($num1,$num2)=split(/[,:]/,$rndseed); |
| |
&Math::Random::random_set_seed(abs($num1),abs($num2)); |
| |
} else { |
| |
&Math::Random::random_set_seed_from_phrase($rndseed); |
| |
} |
| |
} |
| |
|
| |
sub latest_receipt_algorithm_id { |
| |
return 'receipt2'; |
| |
} |
| |
|
| |
sub recunique { |
| |
my $fucourseid=shift; |
| |
my $unique; |
| |
if ($ENV{"course.$fucourseid.receiptalg"} eq 'receipt2') { |
| |
$unique=$ENV{"course.$fucourseid.internal.encseed"}; |
| |
} else { |
| |
$unique=$perlvar{'lonReceipt'}; |
| |
} |
| |
return unpack("%32C*",$unique); |
| |
} |
| |
|
| |
sub recprefix { |
| |
my $fucourseid=shift; |
| |
my $prefix; |
| |
if ($ENV{"course.$fucourseid.receiptalg"} eq 'receipt2') { |
| |
$prefix=$ENV{"course.$fucourseid.internal.encpref"}; |
| |
} else { |
| |
$prefix=$perlvar{'lonHostID'}; |
| |
} |
| |
return unpack("%32C*",$prefix); |
| |
} |
| |
|
| |
sub ireceipt { |
| |
my ($funame,$fudom,$fucourseid,$fusymb,$part)=@_; |
| |
my $cuname=unpack("%32C*",$funame); |
| |
my $cudom=unpack("%32C*",$fudom); |
| |
my $cucourseid=unpack("%32C*",$fucourseid); |
| |
my $cusymb=unpack("%32C*",$fusymb); |
| |
my $cunique=&recunique($fucourseid); |
| |
my $cpart=unpack("%32S*",$part); |
| |
my $return =&recprefix($fucourseid).'-'; |
| |
if ($ENV{"course.$fucourseid.receiptalg"} eq 'receipt2' || |
| |
$ENV{'request.state'} eq 'construct') { |
| |
&Apache::lonxml::debug("doing receipt2 using parts $cpart, uname $cuname and udom $cudom gets ".($cpart%$cuname). |
| |
" and ".($cpart%$cudom)); |
| |
|
| |
$return.= ($cunique%$cuname+ |
| |
$cunique%$cudom+ |
| |
$cusymb%$cuname+ |
| |
$cusymb%$cudom+ |
| |
$cucourseid%$cuname+ |
| |
$cucourseid%$cudom+ |
| |
$cpart%$cuname+ |
| |
$cpart%$cudom); |
| |
} else { |
| |
$return.= ($cunique%$cuname+ |
| |
$cunique%$cudom+ |
| |
$cusymb%$cuname+ |
| |
$cusymb%$cudom+ |
| |
$cucourseid%$cuname+ |
| |
$cucourseid%$cudom); |
| |
} |
| |
return $return; |
| |
} |
| |
|
| |
sub receipt { |
| |
my ($part)=@_; |
| |
my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); |
| |
return &ireceipt($name,$domain,$courseid,$symb,$part); |
| |
} |
| |
|
| |
# ------------------------------------------------------------ Serves up a file |
| |
# returns either the contents of the file or |
| |
# -1 if the file doesn't exist |
| |
# |
| |
# if the target is a file that was uploaded via DOCS, |
| |
# a check will be made to see if a current copy exists on the local server, |
| |
# if it does this will be served, otherwise a copy will be retrieved from |
| |
# the home server for the course and stored in /home/httpd/html/userfiles on |
| |
# the local server. |
| |
|
| |
sub getfile { |
| |
my ($file) = @_; |
| |
|
| |
if ($file =~ m|^/*uploaded/|) { $file=&filelocation("",$file); } |
| |
&repcopy($file); |
| |
return &readfile($file); |
| |
} |
| |
|
| |
sub repcopy_userfile { |
| |
my ($file)=@_; |
| |
|
| |
if ($file =~ m|^/*uploaded/|) { $file=&filelocation("",$file); } |
| |
if ($file =~ m|^/home/httpd/html/lonUsers/|) { return OK; } |
| |
|
| |
my ($cdom,$cnum,$filename) = |
| |
($file=~m|^\Q$perlvar{'lonDocRoot'}\E/+userfiles/+([^/]+)/+([^/]+)/+(.*)|); |
| |
my ($info,$rtncode); |
| |
my $uri="/uploaded/$cdom/$cnum/$filename"; |
| |
if (-e "$file") { |
| |
my @fileinfo = stat($file); |
| |
my $lwpresp = &getuploaded('HEAD',$uri,$cdom,$cnum,\$info,\$rtncode); |
| |
if ($lwpresp ne 'ok') { |
| |
if ($rtncode eq '404') { |
| |
unlink($file); |
| |
} |
| |
#my $ua=new LWP::UserAgent; |
| |
#my $request=new HTTP::Request('GET',&tokenwrapper($uri)); |
| |
#my $response=$ua->request($request); |
| |
#if ($response->is_success()) { |
| |
# return $response->content; |
| |
# } else { |
| |
# return -1; |
| |
# } |
| |
return -1; |
| |
} |
| |
if ($info < $fileinfo[9]) { |
| |
return OK; |
| |
} |
| |
$info = ''; |
| |
$lwpresp = &getuploaded('GET',$uri,$cdom,$cnum,\$info,\$rtncode); |
| |
if ($lwpresp ne 'ok') { |
| |
return -1; |
| |
} |
| |
} else { |
| |
my $lwpresp = &getuploaded('GET',$uri,$cdom,$cnum,\$info,\$rtncode); |
| |
if ($lwpresp ne 'ok') { |
| |
my $ua=new LWP::UserAgent; |
| |
my $request=new HTTP::Request('GET',&tokenwrapper($uri)); |
| |
my $response=$ua->request($request); |
| |
if ($response->is_success()) { |
| |
$info=$response->content; |
| |
} else { |
| |
return -1; |
| |
} |
| |
} |
| |
my @parts = ($cdom,$cnum); |
| |
if ($filename =~ m|^(.+)/[^/]+$|) { |
| |
push @parts, split(/\//,$1); |
| |
} |
| |
my $path = $perlvar{'lonDocRoot'}.'/userfiles'; |
| |
foreach my $part (@parts) { |
| |
$path .= '/'.$part; |
| |
if (!-e $path) { |
| |
mkdir($path,0770); |
| |
} |
| |
} |
| |
} |
| |
open(FILE,">$file"); |
| |
print FILE $info; |
| |
close(FILE); |
| |
return OK; |
| |
} |
| |
|
| |
sub tokenwrapper { |
| |
my $uri=shift; |
| |
$uri=~s|^http\://([^/]+)||; |
| |
$uri=~s|^/||; |
| |
$ENV{'user.environment'}=~/\/([^\/]+)\.id/; |
| |
my $token=$1; |
| |
my (undef,$udom,$uname,$file)=split('/',$uri,4); |
| |
if ($udom && $uname && $file) { |
| |
$file=~s|(\?\.*)*$||; |
| |
&appenv("userfile.$udom/$uname/$file" => $ENV{'request.course.id'}); |
| |
return 'http://'.$hostname{ &homeserver($uname,$udom)}.'/'.$uri. |
| |
(($uri=~/\?/)?'&':'?').'token='.$token. |
| |
'&tokenissued='.$perlvar{'lonHostID'}; |
| |
} else { |
| |
return '/adm/notfound.html'; |
| |
} |
| |
} |
| |
|
| |
sub getuploaded { |
| |
my ($reqtype,$uri,$cdom,$cnum,$info,$rtncode) = @_; |
| |
$uri=~s/^\///; |
| |
$uri = 'http://'.$hostname{ &homeserver($cnum,$cdom)}.'/raw/'.$uri; |
| |
my $ua=new LWP::UserAgent; |
| |
my $request=new HTTP::Request($reqtype,$uri); |
| |
my $response=$ua->request($request); |
| |
$$rtncode = $response->code; |
| |
if (! $response->is_success()) { |
| |
return 'failed'; |
| |
} |
| |
if ($reqtype eq 'HEAD') { |
| |
$$info = &HTTP::Date::str2time( $response->header('Last-modified') ); |
| |
} elsif ($reqtype eq 'GET') { |
| |
$$info = $response->content; |
| |
} |
| |
return 'ok'; |
| |
} |
| |
|
| |
sub readfile { |
| |
my $file = shift; |
| |
if ( (! -e $file ) || ($file eq '') ) { return -1; }; |
| |
my $fh; |
| |
open($fh,"<$file"); |
| |
my $a=''; |
| |
while (<$fh>) { $a .=$_; } |
| |
return $a; |
| |
} |
| |
|
| |
sub filelocation { |
| |
my ($dir,$file) = @_; |
| |
my $location; |
| |
$file=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces |
| |
if ($file=~m:^/~:) { # is a contruction space reference |
| |
$location = $file; |
| |
$location =~ s:/~(.*?)/(.*):/home/$1/public_html/$2:; |
| |
} elsif ($file=~/^\/*uploaded/) { # is an uploaded file |
| |
my ($udom,$uname,$filename)= |
| |
($file=~m|^/+uploaded/+([^/]+)/+([^/]+)/+(.*)$|); |
| |
my $home=&homeserver($uname,$udom); |
| |
my $is_me=0; |
| |
my @ids=¤t_machine_ids(); |
| |
foreach my $id (@ids) { if ($id eq $home) { $is_me=1; } } |
| |
if ($is_me) { |
| |
$location=&Apache::loncommon::propath($udom,$uname). |
| |
'/userfiles/'.$filename; |
| |
} else { |
| |
$location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'. |
| |
$udom.'/'.$uname.'/'.$filename; |
| |
} |
| |
} else { |
| |
$file=~s/^\Q$perlvar{'lonDocRoot'}\E//; |
| |
$file=~s:^/res/:/:; |
| |
if ( !( $file =~ m:^/:) ) { |
| |
$location = $dir. '/'.$file; |
| |
} else { |
| |
$location = '/home/httpd/html/res'.$file; |
| |
} |
| |
} |
| |
$location=~s://+:/:g; # remove duplicate / |
| |
while ($location=~m:/\.\./:) {$location=~ s:/[^/]+/\.\./:/:g;} #remove dir/.. |
| |
while ($location=~m:/\./:) {$location=~ s:/\./:/:g;} #remove /./ |
| |
return $location; |
| |
} |
| |
|
| |
sub hreflocation { |
| |
my ($dir,$file)=@_; |
| |
unless (($file=~m-^http://-i) || ($file=~m-^/-)) { |
| |
my $finalpath=filelocation($dir,$file); |
| |
$finalpath=~s-^/home/httpd/html--; |
| |
$finalpath=~s-^/home/(\w+)/public_html/-/~$1/-; |
| |
return $finalpath; |
| |
} elsif ($file=~m-^/home-) { |
| |
$file=~s-^/home/httpd/html--; |
| |
$file=~s-^/home/(\w+)/public_html/-/~$1/-; |
| |
return $file; |
| |
} |
| |
return $file; |
| |
} |
| |
|
| |
sub current_machine_domains { |
| |
my $hostname=$hostname{$perlvar{'lonHostID'}}; |
| |
my @domains; |
| |
while( my($id, $name) = each(%hostname)) { |
| |
# &logthis("-$id-$name-$hostname-"); |
| |
if ($hostname eq $name) { |
| |
push(@domains,$hostdom{$id}); |
| |
} |
| |
} |
| |
return @domains; |
| |
} |
| |
|
| |
sub current_machine_ids { |
| |
my $hostname=$hostname{$perlvar{'lonHostID'}}; |
| |
my @ids; |
| |
while( my($id, $name) = each(%hostname)) { |
| |
# &logthis("-$id-$name-$hostname-"); |
| |
if ($hostname eq $name) { |
| |
push(@ids,$id); |
| |
} |
| |
} |
| |
return @ids; |
| |
} |
| |
|
| |
# ------------------------------------------------------------- Declutters URLs |
| |
|
| |
sub declutter { |
| |
my $thisfn=shift; |
| |
$thisfn=~s/^\Q$perlvar{'lonDocRoot'}\E//; |
| |
$thisfn=~s/^\///; |
| |
$thisfn=~s/^res\///; |
| |
$thisfn=~s/\?.+$//; |
| |
return $thisfn; |
| |
} |
| |
|
| |
# ------------------------------------------------------------- Clutter up URLs |
| |
|
| |
sub clutter { |
| |
my $thisfn='/'.&declutter(shift); |
| |
unless ($thisfn=~/^\/(uploaded|adm|userfiles|ext|raw|priv|public)\//) { |
| |
$thisfn='/res'.$thisfn; |
| |
} |
| |
return $thisfn; |
| } |
} |
| |
|
| # -------------------------------------------------------- Escape Special Chars |
# -------------------------------------------------------- Escape Special Chars |
|
Line 777 sub unescape {
|
Line 5253 sub unescape {
|
| return $str; |
return $str; |
| } |
} |
| |
|
| |
sub mod_perl_version { |
| |
if (defined($perlvar{'MODPERL2'})) { |
| |
return 2; |
| |
} |
| |
return 1; |
| |
} |
| |
|
| |
sub correct_line_ends { |
| |
my ($result)=@_; |
| |
$$result =~s/\r\n/\n/mg; |
| |
$$result =~s/\r/\n/mg; |
| |
} |
| # ================================================================ Main Program |
# ================================================================ Main Program |
| |
|
| sub BEGIN { |
sub goodbye { |
| if ($readit ne 'done') { |
&logthis("Starting Shut down"); |
| # ------------------------------------------------------------ Read access.conf |
#not converted to using infrastruture and probably shouldn't be |
| |
&logthis(sprintf("%-20s is %s",'%badServerCache',scalar(%badServerCache))); |
| |
#converted |
| |
&logthis(sprintf("%-20s is %s",'%metacache',scalar(%metacache))); |
| |
&logthis(sprintf("%-20s is %s",'%homecache',scalar(%homecache))); |
| |
&logthis(sprintf("%-20s is %s",'%titlecache',scalar(%titlecache))); |
| |
&logthis(sprintf("%-20s is %s",'%courseresdatacache',scalar(%courseresdatacache))); |
| |
#1.1 only |
| |
&logthis(sprintf("%-20s is %s",'%userresdatacache',scalar(%userresdatacache))); |
| |
&logthis(sprintf("%-20s is %s",'%getsectioncache',scalar(%getsectioncache))); |
| |
&logthis(sprintf("%-20s is %s",'%courseresversioncache',scalar(%courseresversioncache))); |
| |
&logthis(sprintf("%-20s is %s",'%resversioncache',scalar(%resversioncache))); |
| |
&flushcourselogs(); |
| |
&logthis("Shutting down"); |
| |
return DONE; |
| |
} |
| |
|
| |
BEGIN { |
| |
# ----------------------------------- Read loncapa.conf and loncapa_apache.conf |
| |
unless ($readit) { |
| { |
{ |
| my $config=Apache::File->new("/etc/httpd/conf/access.conf"); |
open(my $config,"</etc/httpd/conf/loncapa.conf"); |
| |
|
| while (my $configline=<$config>) { |
while (my $configline=<$config>) { |
| if ($configline =~ /PerlSetVar/) { |
if ($configline=~/\S/ && $configline =~ /^[^\#]*PerlSetVar/) { |
| my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); |
my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); |
| chomp($varvalue); |
chomp($varvalue); |
| $perlvar{$varname}=$varvalue; |
$perlvar{$varname}=$varvalue; |
| } |
} |
| } |
} |
| |
close($config); |
| |
} |
| |
{ |
| |
open(my $config,"</etc/httpd/conf/loncapa_apache.conf"); |
| |
|
| |
while (my $configline=<$config>) { |
| |
if ($configline =~ /^[^\#]*PerlSetVar/) { |
| |
my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); |
| |
chomp($varvalue); |
| |
$perlvar{$varname}=$varvalue; |
| |
} |
| |
} |
| |
close($config); |
| |
} |
| |
|
| |
# ------------------------------------------------------------ Read domain file |
| |
{ |
| |
%domaindescription = (); |
| |
%domain_auth_def = (); |
| |
%domain_auth_arg_def = (); |
| |
my $fh; |
| |
if (open($fh,"<".$Apache::lonnet::perlvar{'lonTabDir'}.'/domain.tab')) { |
| |
while (<$fh>) { |
| |
next if (/^(\#|\s*$)/); |
| |
# next if /^\#/; |
| |
chomp; |
| |
my ($domain, $domain_description, $def_auth, $def_auth_arg, |
| |
$def_lang, $city, $longi, $lati) = split(/:/,$_); |
| |
$domain_auth_def{$domain}=$def_auth; |
| |
$domain_auth_arg_def{$domain}=$def_auth_arg; |
| |
$domaindescription{$domain}=$domain_description; |
| |
$domain_lang_def{$domain}=$def_lang; |
| |
$domain_city{$domain}=$city; |
| |
$domain_longi{$domain}=$longi; |
| |
$domain_lati{$domain}=$lati; |
| |
|
| |
# &logthis("Domain.tab: $domain, $domain_auth_def{$domain}, $domain_auth_arg_def{$domain},$domaindescription{$domain}"); |
| |
# &logthis("Domain.tab: $domain ".$domaindescription{$domain} ); |
| |
} |
| |
} |
| |
close ($fh); |
| } |
} |
| |
|
| |
|
| # ------------------------------------------------------------- Read hosts file |
# ------------------------------------------------------------- Read hosts file |
| { |
{ |
| my $config=Apache::File->new("$perlvar{'lonTabDir'}/hosts.tab"); |
open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab"); |
| |
|
| while (my $configline=<$config>) { |
while (my $configline=<$config>) { |
| my ($id,$domain,$role,$name,$ip)=split(/:/,$configline); |
next if ($configline =~ /^(\#|\s*$)/); |
| $hostname{$id}=$name; |
chomp($configline); |
| $hostdom{$id}=$domain; |
my ($id,$domain,$role,$name,$ip,$domdescr)=split(/:/,$configline); |
| if ($role eq 'library') { $libserv{$id}=$name; } |
if ($id && $domain && $role && $name && $ip) { |
| |
$hostname{$id}=$name; |
| |
$hostdom{$id}=$domain; |
| |
$hostip{$id}=$ip; |
| |
$iphost{$ip}=$id; |
| |
if ($role eq 'library') { $libserv{$id}=$name; } |
| |
} |
| } |
} |
| |
close($config); |
| } |
} |
| |
|
| # ------------------------------------------------------ Read spare server file |
# ------------------------------------------------------ Read spare server file |
| { |
{ |
| my $config=Apache::File->new("$perlvar{'lonTabDir'}/spare.tab"); |
open(my $config,"<$perlvar{'lonTabDir'}/spare.tab"); |
| |
|
| while (my $configline=<$config>) { |
while (my $configline=<$config>) { |
| chomp($configline); |
chomp($configline); |
| if (($configline) && ($configline ne $perlvar{'lonHostID'})) { |
if ($configline) { |
| $spareid{$configline}=1; |
$spareid{$configline}=1; |
| } |
} |
| } |
} |
| |
close($config); |
| } |
} |
| # ------------------------------------------------------------ Read permissions |
# ------------------------------------------------------------ Read permissions |
| { |
{ |
| my $config=Apache::File->new("$perlvar{'lonTabDir'}/roles.tab"); |
open(my $config,"<$perlvar{'lonTabDir'}/roles.tab"); |
| |
|
| while (my $configline=<$config>) { |
while (my $configline=<$config>) { |
| chomp($configline); |
chomp($configline); |
| my ($role,$perm)=split(/ /,$configline); |
if ($configline) { |
| if ($perm ne '') { $pr{$role}=$perm; } |
my ($role,$perm)=split(/ /,$configline); |
| |
if ($perm ne '') { $pr{$role}=$perm; } |
| |
} |
| } |
} |
| |
close($config); |
| } |
} |
| |
|
| # -------------------------------------------- Read plain texts for permissions |
# -------------------------------------------- Read plain texts for permissions |
| { |
{ |
| my $config=Apache::File->new("$perlvar{'lonTabDir'}/rolesplain.tab"); |
open(my $config,"<$perlvar{'lonTabDir'}/rolesplain.tab"); |
| |
|
| while (my $configline=<$config>) { |
while (my $configline=<$config>) { |
| chomp($configline); |
chomp($configline); |
| my ($short,$plain)=split(/:/,$configline); |
if ($configline) { |
| if ($plain ne '') { $prp{$short}=$plain; } |
my ($short,$plain)=split(/:/,$configline); |
| |
if ($plain ne '') { $prp{$short}=$plain; } |
| |
} |
| } |
} |
| |
close($config); |
| } |
} |
| |
|
| # ------------------------------------------------------------- Read file types |
# ---------------------------------------------------------- Read package table |
| { |
{ |
| my $config=Apache::File->new("$perlvar{'lonTabDir'}/filetypes.tab"); |
open(my $config,"<$perlvar{'lonTabDir'}/packages.tab"); |
| |
|
| while (my $configline=<$config>) { |
while (my $configline=<$config>) { |
| chomp($configline); |
if ($configline !~ /\S/ || $configline=~/^#/) { next; } |
| my ($ending,$emb,@descr)=split(/\s+/,$configline); |
chomp($configline); |
| if ($descr[0] ne '') { |
my ($short,$plain)=split(/:/,$configline); |
| $fe{$ending}=$emb; |
my ($pack,$name)=split(/\&/,$short); |
| $fd{$ending}=join(' ',@descr); |
if ($plain ne '') { |
| } |
$packagetab{$pack.'&'.$name.'&name'}=$name; |
| |
$packagetab{$short}=$plain; |
| |
} |
| } |
} |
| |
close($config); |
| |
} |
| |
|
| |
# ------------- set up temporary directory |
| |
{ |
| |
$tmpdir = $perlvar{'lonDaemons'}.'/tmp/'; |
| |
|
| } |
} |
| |
|
| |
%metacache=(); |
| |
|
| $readit='done'; |
$processmarker='_'.time.'_'.$perlvar{'lonHostID'}; |
| |
$dumpcount=0; |
| |
|
| |
&logtouch(); |
| &logthis('<font color=yellow>INFO: Read configuration</font>'); |
&logthis('<font color=yellow>INFO: Read configuration</font>'); |
| |
$readit=1; |
| } |
} |
| } |
} |
| |
|
| 1; |
1; |
| |
__END__ |
| |
|
| |
=pod |
| |
|
| |
=head1 NAME |
| |
|
| |
Apache::lonnet - Subroutines to ask questions about things in the network. |
| |
|
| |
=head1 SYNOPSIS |
| |
|
| |
Invoked by other LON-CAPA modules, when they need to talk to or about objects in the network. |
| |
|
| |
&Apache::lonnet::SUBROUTINENAME(ARGUMENTS); |
| |
|
| |
Common parameters: |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
$uname : an internal username (if $cname expecting a course Id specifically) |
| |
|
| |
=item * |
| |
|
| |
$udom : a domain (if $cdom expecting a course's domain specifically) |
| |
|
| |
=item * |
| |
|
| |
$symb : a resource instance identifier |
| |
|
| |
=item * |
| |
|
| |
$namespace : the name of a .db file that contains the data needed or |
| |
being set. |
| |
|
| |
=back |
| |
|
| |
=head1 OVERVIEW |
| |
|
| |
lonnet provides subroutines which interact with the |
| |
lonc/lond (TCP) network layer of LON-CAPA. They can be used to ask |
| |
about classes, users, and resources. |
| |
|
| |
For many of these objects you can also use this to store data about |
| |
them or modify them in various ways. |
| |
|
| |
=head2 Symbs |
| |
|
| |
To identify a specific instance of a resource, LON-CAPA uses symbols |
| |
or "symbs"X<symb>. These identifiers are built from the URL of the |
| |
map, the resource number of the resource in the map, and the URL of |
| |
the resource itself. The latter is somewhat redundant, but might help |
| |
if maps change. |
| |
|
| |
An example is |
| |
|
| |
msu/korte/parts/part1.sequence___19___msu/korte/tests/part12.problem |
| |
|
| |
The respective map entry is |
| |
|
| |
<resource id="19" src="/res/msu/korte/tests/part12.problem" |
| |
title="Problem 2"> |
| |
</resource> |
| |
|
| |
Symbs are used by the random number generator, as well as to store and |
| |
restore data specific to a certain instance of for example a problem. |
| |
|
| |
=head2 Storing And Retrieving Data |
| |
|
| |
X<store()>X<cstore()>X<restore()>Three of the most important functions |
| |
in C<lonnet.pm> are C<&Apache::lonnet::cstore()>, |
| |
C<&Apache::lonnet:restore()>, and C<&Apache::lonnet::store()>, which |
| |
is is the non-critical message twin of cstore. These functions are for |
| |
handlers to store a perl hash to a user's permanent data space in an |
| |
easy manner, and to retrieve it again on another call. It is expected |
| |
that a handler would use this once at the beginning to retrieve data, |
| |
and then again once at the end to send only the new data back. |
| |
|
| |
The data is stored in the user's data directory on the user's |
| |
homeserver under the ID of the course. |
| |
|
| |
The hash that is returned by restore will have all of the previous |
| |
value for all of the elements of the hash. |
| |
|
| |
Example: |
| |
|
| |
#creating a hash |
| |
my %hash; |
| |
$hash{'foo'}='bar'; |
| |
|
| |
#storing it |
| |
&Apache::lonnet::cstore(\%hash); |
| |
|
| |
#changing a value |
| |
$hash{'foo'}='notbar'; |
| |
|
| |
#adding a new value |
| |
$hash{'bar'}='foo'; |
| |
&Apache::lonnet::cstore(\%hash); |
| |
|
| |
#retrieving the hash |
| |
my %history=&Apache::lonnet::restore(); |
| |
|
| |
#print the hash |
| |
foreach my $key (sort(keys(%history))) { |
| |
print("\%history{$key} = $history{$key}"); |
| |
} |
| |
|
| |
Will print out: |
| |
|
| |
%history{1:foo} = bar |
| |
%history{1:keys} = foo:timestamp |
| |
%history{1:timestamp} = 990455579 |
| |
%history{2:bar} = foo |
| |
%history{2:foo} = notbar |
| |
%history{2:keys} = foo:bar:timestamp |
| |
%history{2:timestamp} = 990455580 |
| |
%history{bar} = foo |
| |
%history{foo} = notbar |
| |
%history{timestamp} = 990455580 |
| |
%history{version} = 2 |
| |
|
| |
Note that the special hash entries C<keys>, C<version> and |
| |
C<timestamp> were added to the hash. C<version> will be equal to the |
| |
total number of versions of the data that have been stored. The |
| |
C<timestamp> attribute will be the UNIX time the hash was |
| |
stored. C<keys> is available in every historical section to list which |
| |
keys were added or changed at a specific historical revision of a |
| |
hash. |
| |
|
| |
B<Warning>: do not store the hash that restore returns directly. This |
| |
will cause a mess since it will restore the historical keys as if the |
| |
were new keys. I.E. 1:foo will become 1:1:foo etc. |
| |
|
| |
Calling convention: |
| |
|
| |
my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$uname,$home); |
| |
&Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$uname,$home); |
| |
|
| |
For more detailed information, see lonnet specific documentation. |
| |
|
| |
=head1 RETURN MESSAGES |
| |
|
| |
=over 4 |
| |
|
| |
=item * B<con_lost>: unable to contact remote host |
| |
|
| |
=item * B<con_delayed>: unable to contact remote host, message will be delivered |
| |
when the connection is brought back up |
| |
|
| |
=item * B<con_failed>: unable to contact remote host and unable to save message |
| |
for later delivery |
| |
|
| |
=item * B<error:>: an error a occured, a description of the error follows the : |
| |
|
| |
=item * B<no_such_host>: unable to fund a host associated with the user/domain |
| |
that was requested |
| |
|
| |
=back |
| |
|
| |
=head1 PUBLIC SUBROUTINES |
| |
|
| |
=head2 Session Environment Functions |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
X<appenv()> |
| |
B<appenv(%hash)>: the value of %hash is written to |
| |
the user envirnoment file, and will be restored for each access this |
| |
user makes during this session, also modifies the %ENV for the current |
| |
process |
| |
|
| |
=item * |
| |
X<delenv()> |
| |
B<delenv($regexp)>: removes all items from the session |
| |
environment file that matches the regular expression in $regexp. The |
| |
values are also delted from the current processes %ENV. |
| |
|
| |
=back |
| |
|
| |
=head2 User Information |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
X<queryauthenticate()> |
| |
B<queryauthenticate($uname,$udom)>: try to determine user's current |
| |
authentication scheme |
| |
|
| |
=item * |
| |
X<authenticate()> |
| |
B<authenticate($uname,$upass,$udom)>: try to |
| |
authenticate user from domain's lib servers (first use the current |
| |
one). C<$upass> should be the users password. |
| |
|
| |
=item * |
| |
X<homeserver()> |
| |
B<homeserver($uname,$udom)>: find the server which has |
| |
the user's directory and files (there must be only one), this caches |
| |
the answer, and also caches if there is a borken connection. |
| |
|
| |
=item * |
| |
X<idget()> |
| |
B<idget($udom,@ids)>: find the usernames behind a list of IDs |
| |
(IDs are a unique resource in a domain, there must be only 1 ID per |
| |
username, and only 1 username per ID in a specific domain) (returns |
| |
hash: id=>name,id=>name) |
| |
|
| |
=item * |
| |
X<idrget()> |
| |
B<idrget($udom,@unames)>: find the IDs behind a list of |
| |
usernames (returns hash: name=>id,name=>id) |
| |
|
| |
=item * |
| |
X<idput()> |
| |
B<idput($udom,%ids)>: store away a list of names and associated IDs |
| |
|
| |
=item * |
| |
X<rolesinit()> |
| |
B<rolesinit($udom,$username,$authhost)>: get user privileges |
| |
|
| |
=item * |
| |
X<getsection()> |
| |
B<getsection($udom,$uname,$cname)>: finds the section of student in the |
| |
course $cname, return section name/number or '' for "not in course" |
| |
and '-1' for "no section" |
| |
|
| |
=item * |
| |
X<userenvironment()> |
| |
B<userenvironment($udom,$uname,@what)>: gets the values of the keys |
| |
passed in @what from the requested user's environment, returns a hash |
| |
|
| |
=back |
| |
|
| |
=head2 User Roles |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
allowed($priv,$uri) : check for a user privilege; returns codes for allowed |
| |
actions |
| |
F: full access |
| |
U,I,K: authentication modes (cxx only) |
| |
'': forbidden |
| |
1: user needs to choose course |
| |
2: browse allowed |
| |
|
| |
=item * |
| |
|
| |
definerole($rolename,$sysrole,$domrole,$courole) : define role; define a custom |
| |
role rolename set privileges in format of lonTabs/roles.tab for system, domain, |
| |
and course level |
| |
|
| |
=item * |
| |
|
| |
plaintext($short) : return value in %prp hash (rolesplain.tab); plain text |
| |
explanation of a user role term |
| |
|
| |
=back |
| |
|
| |
=head2 User Modification |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
assignrole($udom,$uname,$url,$role,$end,$start) : assign role; give a role to a |
| |
user for the level given by URL. Optional start and end dates (leave empty |
| |
string or zero for "no date") |
| |
|
| |
=item * |
| |
|
| |
changepass($uname,$udom,$currentpass,$newpass,$server) : attempts to |
| |
change a users, password, possible return values are: ok, |
| |
pwchange_failure, non_authorized, auth_mode_error, unknown_user, |
| |
refused |
| |
|
| |
=item * |
| |
|
| |
modifyuserauth($udom,$uname,$umode,$upass) : modify user authentication |
| |
|
| |
=item * |
| |
|
| |
modifyuser($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene) : |
| |
modify user |
| |
|
| |
=item * |
| |
|
| |
modifystudent |
| |
|
| |
modify a students enrollment and identification information. |
| |
The course id is resolved based on the current users environment. |
| |
This means the envoking user must be a course coordinator or otherwise |
| |
associated with a course. |
| |
|
| |
This call is essentially a wrapper for lonnet::modifyuser and |
| |
lonnet::modify_student_enrollment |
| |
|
| |
Inputs: |
| |
|
| |
=over 4 |
| |
|
| |
=item B<$udom> Students loncapa domain |
| |
|
| |
=item B<$uname> Students loncapa login name |
| |
|
| |
=item B<$uid> Students id/student number |
| |
|
| |
=item B<$umode> Students authentication mode |
| |
|
| |
=item B<$upass> Students password |
| |
|
| |
=item B<$first> Students first name |
| |
|
| |
=item B<$middle> Students middle name |
| |
|
| |
=item B<$last> Students last name |
| |
|
| |
=item B<$gene> Students generation |
| |
|
| |
=item B<$usec> Students section in course |
| |
|
| |
=item B<$end> Unix time of the roles expiration |
| |
|
| |
=item B<$start> Unix time of the roles start date |
| |
|
| |
=item B<$forceid> If defined, allow $uid to be changed |
| |
|
| |
=item B<$desiredhome> server to use as home server for student |
| |
|
| |
=back |
| |
|
| |
=item * |
| |
|
| |
modify_student_enrollment |
| |
|
| |
Change a students enrollment status in a class. The environment variable |
| |
'role.request.course' must be defined for this function to proceed. |
| |
|
| |
Inputs: |
| |
|
| |
=over 4 |
| |
|
| |
=item $udom, students domain |
| |
|
| |
=item $uname, students name |
| |
|
| |
=item $uid, students user id |
| |
|
| |
=item $first, students first name |
| |
|
| |
=item $middle |
| |
|
| |
=item $last |
| |
|
| |
=item $gene |
| |
|
| |
=item $usec |
| |
|
| |
=item $end |
| |
|
| |
=item $start |
| |
|
| |
=back |
| |
|
| |
|
| |
=item * |
| |
|
| |
assigncustomrole($udom,$uname,$url,$rdom,$rnam,$rolename,$end,$start) : assign |
| |
custom role; give a custom role to a user for the level given by URL. Specify |
| |
name and domain of role author, and role name |
| |
|
| |
=item * |
| |
|
| |
revokerole($udom,$uname,$url,$role) : revoke a role for url |
| |
|
| |
=item * |
| |
|
| |
revokecustomrole($udom,$uname,$url,$role) : revoke a custom role |
| |
|
| |
=back |
| |
|
| |
=head2 Course Infomation |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
coursedescription($courseid) : course description |
| |
|
| |
=item * |
| |
|
| |
courseresdata($coursenum,$coursedomain,@which) : request for current |
| |
parameter setting for a specific course, @what should be a list of |
| |
parameters to ask about. This routine caches answers for 5 minutes. |
| |
|
| |
=back |
| |
|
| |
=head2 Course Modification |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
writecoursepref($courseid,%prefs) : write preferences (environment |
| |
database) for a course |
| |
|
| |
=item * |
| |
|
| |
createcourse($udom,$description,$url) : make/modify course |
| |
|
| |
=back |
| |
|
| |
=head2 Resource Subroutines |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
subscribe($fname) : subscribe to a resource, returns URL if possible (probably should use repcopy instead) |
| |
|
| |
=item * |
| |
|
| |
repcopy($filename) : subscribes to the requested file, and attempts to |
| |
replicate from the owning library server, Might return |
| |
HTTP_SERVICE_UNAVAILABLE, HTTP_NOT_FOUND, FORBIDDEN, OK, or |
| |
HTTP_BAD_REQUEST, also attempts to grab the metadata for the |
| |
resource. Expects the local filesystem pathname |
| |
(/home/httpd/html/res/....) |
| |
|
| |
=back |
| |
|
| |
=head2 Resource Information |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
EXT($varname,$symb,$udom,$uname) : evaluates and returns the value of |
| |
a vairety of different possible values, $varname should be a request |
| |
string, and the other parameters can be used to specify who and what |
| |
one is asking about. |
| |
|
| |
Possible values for $varname are environment.lastname (or other item |
| |
from the envirnment hash), user.name (or someother aspect about the |
| |
user), resource.0.maxtries (or some other part and parameter of a |
| |
resource) |
| |
|
| |
=item * |
| |
|
| |
directcondval($number) : get current value of a condition; reads from a state |
| |
string |
| |
|
| |
=item * |
| |
|
| |
condval($condidx) : value of condition index based on state |
| |
|
| |
=item * |
| |
|
| |
metadata($uri,$what,$liburi,$prefix,$depthcount) : request a |
| |
resource's metadata, $what should be either a specific key, or either |
| |
'keys' (to get a list of possible keys) or 'packages' to get a list of |
| |
packages that this resource currently uses, the last 3 arguments are only used internally for recursive metadata. |
| |
|
| |
this function automatically caches all requests |
| |
|
| |
=item * |
| |
|
| |
metadata_query($query,$custom,$customshow) : make a metadata query against the |
| |
network of library servers; returns file handle of where SQL and regex results |
| |
will be stored for query |
| |
|
| |
=item * |
| |
|
| |
symbread($filename) : return symbolic list entry (filename argument optional); |
| |
returns the data handle |
| |
|
| |
=item * |
| |
|
| |
symbverify($symb,$thisfn) : verifies that $symb actually exists and is |
| |
a possible symb for the URL in $thisfn, returns a 1 on success, 0 on |
| |
failure, user must be in a course, as it assumes the existance of the |
| |
course initi hash, and uses $ENV('request.course.id'} |
| |
|
| |
|
| |
=item * |
| |
|
| |
symbclean($symb) : removes versions numbers from a symb, returns the |
| |
cleaned symb |
| |
|
| |
=item * |
| |
|
| |
is_on_map($uri) : checks if the $uri is somewhere on the current |
| |
course map, user must be in a course for it to work. |
| |
|
| |
=item * |
| |
|
| |
numval($salt) : return random seed value (addend for rndseed) |
| |
|
| |
=item * |
| |
|
| |
rndseed($symb,$courseid,$udom,$uname) : create a random sum; returns |
| |
a random seed, all arguments are optional, if they aren't sent it uses the |
| |
environment to derive them. Note: if symb isn't sent and it can't get one |
| |
from &symbread it will use the current time as its return value |
| |
|
| |
=item * |
| |
|
| |
ireceipt($funame,$fudom,$fucourseid,$fusymb) : return unique, |
| |
unfakeable, receipt |
| |
|
| |
=item * |
| |
|
| |
receipt() : API to ireceipt working off of ENV values; given out to users |
| |
|
| |
=item * |
| |
|
| |
countacc($url) : count the number of accesses to a given URL |
| |
|
| |
=item * |
| |
|
| |
checkout($symb,$tuname,$tudom,$tcrsid) : creates a record of a user having looked at an item, most likely printed out or otherwise using a resource |
| |
|
| |
=item * |
| |
|
| |
checkin($token) : updates that a resource has beeen returned (a hard copy version for instance) and returns the data that $token was Checkout with ($symb, $tuname, $tudom, and $tcrsid) |
| |
|
| |
=item * |
| |
|
| |
expirespread($uname,$udom,$stype,$usymb) : set expire date for spreadsheet |
| |
|
| |
=item * |
| |
|
| |
devalidate($symb) : devalidate temporary spreadsheet calculations, |
| |
forcing spreadsheet to reevaluate the resource scores next time. |
| |
|
| |
=back |
| |
|
| |
=head2 Storing/Retreiving Data |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
store($storehash,$symb,$namespace,$udom,$uname) : stores hash permanently |
| |
for this url; hashref needs to be given and should be a \%hashname; the |
| |
remaining args aren't required and if they aren't passed or are '' they will |
| |
be derived from the ENV |
| |
|
| |
=item * |
| |
|
| |
cstore($storehash,$symb,$namespace,$udom,$uname) : same as store but |
| |
uses critical subroutine |
| |
|
| |
=item * |
| |
|
| |
restore($symb,$namespace,$udom,$uname) : returns hash for this symb; |
| |
all args are optional |
| |
|
| |
=item * |
| |
|
| |
tmpstore($storehash,$symb,$namespace,$udom,$uname) : storage that |
| |
works very similar to store/cstore, but all data is stored in a |
| |
temporary location and can be reset using tmpreset, $storehash should |
| |
be a hash reference, returns nothing on success |
| |
|
| |
=item * |
| |
|
| |
tmprestore($symb,$namespace,$udom,$uname) : storage that works very |
| |
similar to restore, but all data is stored in a temporary location and |
| |
can be reset using tmpreset. Returns a hash of values on success, |
| |
error string otherwise. |
| |
|
| |
=item * |
| |
|
| |
tmpreset($symb,$namespace,$udom,$uname) : temporary storage reset, |
| |
deltes all keys for $symb form the temporary storage hash. |
| |
|
| |
=item * |
| |
|
| |
get($namespace,$storearr,$udom,$uname) : returns hash with keys from array |
| |
reference filled in from namesp ($udom and $uname are optional) |
| |
|
| |
=item * |
| |
|
| |
del($namespace,$storearr,$udom,$uname) : deletes keys out of array from |
| |
namesp ($udom and $uname are optional) |
| |
|
| |
=item * |
| |
|
| |
dump($namespace,$udom,$uname,$regexp) : |
| |
dumps the complete (or key matching regexp) namespace into a hash |
| |
($udom, $uname and $regexp are optional) |
| |
|
| |
=item * |
| |
|
| |
inc($namespace,$store,$udom,$uname) : increments $store in $namespace. |
| |
$store can be a scalar, an array reference, or if the amount to be |
| |
incremented is > 1, a hash reference. |
| |
|
| |
($udom and $uname are optional) |
| |
|
| |
=item * |
| |
|
| |
put($namespace,$storehash,$udom,$uname) : stores hash in namesp |
| |
($udom and $uname are optional) |
| |
|
| |
=item * |
| |
|
| |
putstore($namespace,$storehash,$udomain,$uname) : stores hash in namesp |
| |
keys used in storehash include version information (e.g., 1:$symb:message etc.) as |
| |
used in records written by &store and retrieved by &restore. This function |
| |
was created for use in editing discussion posts, without incrementing the |
| |
version number included in the key for a particular post. The colon |
| |
separated list of attribute names (e.g., the value associated with the key |
| |
1:keys:$symb) is also generated and passed in the ampersand separated |
| |
items sent to lonnet::reply(). |
| |
|
| |
=item * |
| |
|
| |
cput($namespace,$storehash,$udom,$uname) : critical put |
| |
($udom and $uname are optional) |
| |
|
| |
=item * |
| |
|
| |
eget($namespace,$storearr,$udom,$uname) : returns hash with keys from array |
| |
reference filled in from namesp (encrypts the return communication) |
| |
($udom and $uname are optional) |
| |
|
| |
=item * |
| |
|
| |
log($udom,$name,$home,$message) : write to permanent log for user; use |
| |
critical subroutine |
| |
|
| |
=back |
| |
|
| |
=head2 Network Status Functions |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
dirlist($uri) : return directory list based on URI |
| |
|
| |
=item * |
| |
|
| |
spareserver() : find server with least workload from spare.tab |
| |
|
| |
=back |
| |
|
| |
=head2 Apache Request |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
ssi($url,%hash) : server side include, does a complete request cycle on url to |
| |
localhost, posts hash |
| |
|
| |
=back |
| |
|
| |
=head2 Data to String to Data |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
hash2str(%hash) : convert a hash into a string complete with escaping and '=' |
| |
and '&' separators, supports elements that are arrayrefs and hashrefs |
| |
|
| |
=item * |
| |
|
| |
hashref2str($hashref) : convert a hashref into a string complete with |
| |
escaping and '=' and '&' separators, supports elements that are |
| |
arrayrefs and hashrefs |
| |
|
| |
=item * |
| |
|
| |
arrayref2str($arrayref) : convert an arrayref into a string complete |
| |
with escaping and '&' separators, supports elements that are arrayrefs |
| |
and hashrefs |
| |
|
| |
=item * |
| |
|
| |
str2hash($string) : convert string to hash using unescaping and |
| |
splitting on '=' and '&', supports elements that are arrayrefs and |
| |
hashrefs |
| |
|
| |
=item * |
| |
|
| |
str2array($string) : convert string to hash using unescaping and |
| |
splitting on '&', supports elements that are arrayrefs and hashrefs |
| |
|
| |
=back |
| |
|
| |
=head2 Logging Routines |
| |
|
| |
=over 4 |
| |
|
| |
These routines allow one to make log messages in the lonnet.log and |
| |
lonnet.perm logfiles. |
| |
|
| |
=item * |
| |
|
| |
logtouch() : make sure the logfile, lonnet.log, exists |
| |
|
| |
=item * |
| |
|
| |
logthis() : append message to the normal lonnet.log file, it gets |
| |
preiodically rolled over and deleted. |
| |
|
| |
=item * |
| |
|
| |
logperm() : append a permanent message to lonnet.perm.log, this log |
| |
file never gets deleted by any automated portion of the system, only |
| |
messages of critical importance should go in here. |
| |
|
| |
=back |
| |
|
| |
=head2 General File Helper Routines |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
getfile($file,$caller) : two cases - requests for files in /res or in /uploaded. |
| |
(a) files in /uploaded |
| |
(i) If a local copy of the file exists - |
| |
compares modification date of local copy with last-modified date for |
| |
definitive version stored on home server for course. If local copy is |
| |
stale, requests a new version from the home server and stores it. |
| |
If the original has been removed from the home server, then local copy |
| |
is unlinked. |
| |
(ii) If local copy does not exist - |
| |
requests the file from the home server and stores it. |
| |
|
| |
If $caller is 'uploadrep': |
| |
This indicates a call from lonuploadrep.pm (PerlHeaderParserHandler phase) |
| |
for request for files originally uploaded via DOCS. |
| |
- returns 'ok' if fresh local copy now available, -1 otherwise. |
| |
|
| |
Otherwise: |
| |
This indicates a call from the content generation phase of the request. |
| |
- returns the entire contents of the file or -1. |
| |
|
| |
(b) files in /res |
| |
- returns the entire contents of a file or -1; |
| |
it properly subscribes to and replicates the file if neccessary. |
| |
|
| |
=item * |
| |
|
| |
filelocation($dir,$file) : returns file system location of a file |
| |
based on URI; meant to be "fairly clean" absolute reference, $dir is a |
| |
directory that relative $file lookups are to looked in ($dir of /a/dir |
| |
and a file of ../bob will become /a/bob) |
| |
|
| |
=item * |
| |
|
| |
hreflocation($dir,$file) : returns file system location or a URL; same as |
| |
filelocation except for hrefs |
| |
|
| |
=item * |
| |
|
| |
declutter() : declutters URLs (remove docroot, beginning slashes, 'res' etc) |
| |
|
| |
=back |
| |
|
| |
=head2 HTTP Helper Routines |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
escape() : unpack non-word characters into CGI-compatible hex codes |
| |
|
| |
=item * |
| |
|
| |
unescape() : pack CGI-compatible hex codes into actual non-word ASCII character |
| |
|
| |
=back |
| |
|
| |
=head1 PRIVATE SUBROUTINES |
| |
|
| |
=head2 Underlying communication routines (Shouldn't call) |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
subreply() : tries to pass a message to lonc, returns con_lost if incapable |
| |
|
| |
=item * |
| |
|
| |
reply() : uses subreply to send a message to remote machine, logs all failures |
| |
|
| |
=item * |
| |
|
| |
critical() : passes a critical message to another server; if cannot |
| |
get through then place message in connection buffer directory and |
| |
returns con_delayed, if incapable of saving message, returns |
| |
con_failed |
| |
|
| |
=item * |
| |
|
| |
reconlonc() : tries to reconnect lonc client processes. |
| |
|
| |
=back |
| |
|
| |
=head2 Resource Access Logging |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
flushcourselogs() : flush (save) buffer logs and access logs |
| |
|
| |
=item * |
| |
|
| |
courselog($what) : save message for course in hash |
| |
|
| |
=item * |
| |
|
| |
courseacclog($what) : save message for course using &courselog(). Perform |
| |
special processing for specific resource types (problems, exams, quizzes, etc). |
| |
|
| |
=item * |
| |
|
| |
goodbye() : flush course logs and log shutting down; it is called in srm.conf |
| |
as a PerlChildExitHandler |
| |
|
| |
=back |
| |
|
| |
=head2 Other |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
symblist($mapname,%newhash) : update symbolic storage links |
| |
|
| |
=back |
| |
|
| |
=cut |
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